Home / 743,029,702.62-1,025,381,645.46-408,507,916.56

Finding the Fourth Proportional to 743,029,702.62, 1,025,381,645.46 and 408,507,916.56

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Solution

The fourth proportional to 743,029,702.62, 1,025,381,645.46 and 408,507,916.56 is: 563,741,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,029,702.62 : 1,025,381,645.46 = 408,507,916.56 : x
  2. Step 2: Convert to fraction form
    743,029,702.62/1,025,381,645.46 = 408,507,916.56/x
  3. Step 3: Cross multiply
    743,029,702.62x = 1,025,381,645.46 × 408,507,916.56
  4. Step 4: Simplify right side
    743,029,702.62x = 418,876,519,665,729,216
  5. Step 5: Solve for x
    x = 418,876,519,665,729,216/743,029,702.62
  6. Step 6: Final answer
    x = 563,741,285.43

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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.