Home / 28,280,352,005.88-39,028,627,750.08-15,593,048,436.48

Finding the Fourth Proportional to 28,280,352,005.88, 39,028,627,750.08 and 15,593,048,436.48

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Solution

The fourth proportional to 28,280,352,005.88, 39,028,627,750.08 and 15,593,048,436.48 is: 21,519,367,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,352,005.88 : 39,028,627,750.08 = 15,593,048,436.48 : x
  2. Step 2: Convert to fraction form
    28,280,352,005.88/39,028,627,750.08 = 15,593,048,436.48/x
  3. Step 3: Cross multiply
    28,280,352,005.88x = 39,028,627,750.08 × 15,593,048,436.48
  4. Step 4: Simplify right side
    28,280,352,005.88x = 608,575,282,916,344,856,576
  5. Step 5: Solve for x
    x = 608,575,282,916,344,856,576/28,280,352,005.88
  6. Step 6: Final answer
    x = 21,519,367,325.76

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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.