Home / 752,970,507.68-1,039,124,532.32-418,457,126.80

Finding the Fourth Proportional to 752,970,507.68, 1,039,124,532.32 and 418,457,126.80

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Solution

The fourth proportional to 752,970,507.68, 1,039,124,532.32 and 418,457,126.80 is: 577,484,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,507.68 : 1,039,124,532.32 = 418,457,126.80 : x
  2. Step 2: Convert to fraction form
    752,970,507.68/1,039,124,532.32 = 418,457,126.80/x
  3. Step 3: Cross multiply
    752,970,507.68x = 1,039,124,532.32 × 418,457,126.80
  4. Step 4: Simplify right side
    752,970,507.68x = 434,829,066,182,020,992
  5. Step 5: Solve for x
    x = 434,829,066,182,020,992/752,970,507.68
  6. Step 6: Final answer
    x = 577,484,857.30

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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.