Home / 922,569,562.80-1,273,145,167.61-520,767,904.91

Finding the Fourth Proportional to 922,569,562.80, 1,273,145,167.61 and 520,767,904.91

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Solution

The fourth proportional to 922,569,562.80, 1,273,145,167.61 and 520,767,904.91 is: 718,659,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,569,562.80 : 1,273,145,167.61 = 520,767,904.91 : x
  2. Step 2: Convert to fraction form
    922,569,562.80/1,273,145,167.61 = 520,767,904.91/x
  3. Step 3: Cross multiply
    922,569,562.80x = 1,273,145,167.61 × 520,767,904.91
  4. Step 4: Simplify right side
    922,569,562.80x = 663,013,141,577,486,592
  5. Step 5: Solve for x
    x = 663,013,141,577,486,592/922,569,562.80
  6. Step 6: Final answer
    x = 718,659,240.79

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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.