Home / 752,970,414.97-1,039,124,406.51-418,457,036.47

Finding the Fourth Proportional to 752,970,414.97, 1,039,124,406.51 and 418,457,036.47

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Solution

The fourth proportional to 752,970,414.97, 1,039,124,406.51 and 418,457,036.47 is: 577,484,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,414.97 : 1,039,124,406.51 = 418,457,036.47 : x
  2. Step 2: Convert to fraction form
    752,970,414.97/1,039,124,406.51 = 418,457,036.47/x
  3. Step 3: Cross multiply
    752,970,414.97x = 1,039,124,406.51 × 418,457,036.47
  4. Step 4: Simplify right side
    752,970,414.97x = 434,828,919,671,822,208
  5. Step 5: Solve for x
    x = 434,828,919,671,822,208/752,970,414.97
  6. Step 6: Final answer
    x = 577,484,733.83

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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.