Home / 1,380,661,454.76-1,905,300,187.12-754,129,694.76

Finding the Fourth Proportional to 1,380,661,454.76, 1,905,300,187.12 and 754,129,694.76

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Solution

The fourth proportional to 1,380,661,454.76, 1,905,300,187.12 and 754,129,694.76 is: 1,040,692,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,661,454.76 : 1,905,300,187.12 = 754,129,694.76 : x
  2. Step 2: Convert to fraction form
    1,380,661,454.76/1,905,300,187.12 = 754,129,694.76/x
  3. Step 3: Cross multiply
    1,380,661,454.76x = 1,905,300,187.12 × 754,129,694.76
  4. Step 4: Simplify right side
    1,380,661,454.76x = 1,436,843,448,528,513,536
  5. Step 5: Solve for x
    x = 1,436,843,448,528,513,536/1,380,661,454.76
  6. Step 6: Final answer
    x = 1,040,692,085.36

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Half scale
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Double scale
Find fourth proportional to 1,380,661,455.76, 1,905,300,188.50 and 754,129,695.76
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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.