Home / 752,970,489.63-1,039,124,509.55-418,457,111.16

Finding the Fourth Proportional to 752,970,489.63, 1,039,124,509.55 and 418,457,111.16

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Solution

The fourth proportional to 752,970,489.63, 1,039,124,509.55 and 418,457,111.16 is: 577,484,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,489.63 : 1,039,124,509.55 = 418,457,111.16 : x
  2. Step 2: Convert to fraction form
    752,970,489.63/1,039,124,509.55 = 418,457,111.16/x
  3. Step 3: Cross multiply
    752,970,489.63x = 1,039,124,509.55 × 418,457,111.16
  4. Step 4: Simplify right side
    752,970,489.63x = 434,829,040,399,752,576
  5. Step 5: Solve for x
    x = 434,829,040,399,752,576/752,970,489.63
  6. Step 6: Final answer
    x = 577,484,836.91

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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.