Home / 752,773,264.38-1,038,855,140.45-451,407,641.22

Finding the Fourth Proportional to 752,773,264.38, 1,038,855,140.45 and 451,407,641.22

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Solution

The fourth proportional to 752,773,264.38, 1,038,855,140.45 and 451,407,641.22 is: 622,959,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,773,264.38 : 1,038,855,140.45 = 451,407,641.22 : x
  2. Step 2: Convert to fraction form
    752,773,264.38/1,038,855,140.45 = 451,407,641.22/x
  3. Step 3: Cross multiply
    752,773,264.38x = 1,038,855,140.45 × 451,407,641.22
  4. Step 4: Simplify right side
    752,773,264.38x = 468,947,148,519,806,336
  5. Step 5: Solve for x
    x = 468,947,148,519,806,336/752,773,264.38
  6. Step 6: Final answer
    x = 622,959,356.70

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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.