Home / 752,773,263.38-1,038,855,139.07-451,407,640.22

Finding the Fourth Proportional to 752,773,263.38, 1,038,855,139.07 and 451,407,640.22

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Solution

The fourth proportional to 752,773,263.38, 1,038,855,139.07 and 451,407,640.22 is: 622,959,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,773,263.38 : 1,038,855,139.07 = 451,407,640.22 : x
  2. Step 2: Convert to fraction form
    752,773,263.38/1,038,855,139.07 = 451,407,640.22/x
  3. Step 3: Cross multiply
    752,773,263.38x = 1,038,855,139.07 × 451,407,640.22
  4. Step 4: Simplify right side
    752,773,263.38x = 468,947,146,858,348,800
  5. Step 5: Solve for x
    x = 468,947,146,858,348,800/752,773,263.38
  6. Step 6: Final answer
    x = 622,959,355.33

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Double scale
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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.