Home / 28,280,351,952.76-39,028,627,676.76-15,593,048,383.36

Finding the Fourth Proportional to 28,280,351,952.76, 39,028,627,676.76 and 15,593,048,383.36

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Solution

The fourth proportional to 28,280,351,952.76, 39,028,627,676.76 and 15,593,048,383.36 is: 21,519,367,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,351,952.76 : 39,028,627,676.76 = 15,593,048,383.36 : x
  2. Step 2: Convert to fraction form
    28,280,351,952.76/39,028,627,676.76 = 15,593,048,383.36/x
  3. Step 3: Cross multiply
    28,280,351,952.76x = 39,028,627,676.76 × 15,593,048,383.36
  4. Step 4: Simplify right side
    28,280,351,952.76x = 608,575,279,699,861,962,752
  5. Step 5: Solve for x
    x = 608,575,279,699,861,962,752/28,280,351,952.76
  6. Step 6: Final answer
    x = 21,519,367,252.45

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Half scale
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Double scale
Find fourth proportional to 28,280,351,953.76, 39,028,627,678.14 and 15,593,048,384.36
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.