Home / 497,664,389.30-746,496,583.95-418,834,411.70

Finding the Fourth Proportional to 497,664,389.30, 746,496,583.95 and 418,834,411.70

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Solution

The fourth proportional to 497,664,389.30, 746,496,583.95 and 418,834,411.70 is: 628,251,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,389.30 : 746,496,583.95 = 418,834,411.70 : x
  2. Step 2: Convert to fraction form
    497,664,389.30/746,496,583.95 = 418,834,411.70/x
  3. Step 3: Cross multiply
    497,664,389.30x = 746,496,583.95 × 418,834,411.70
  4. Step 4: Simplify right side
    497,664,389.30x = 312,658,457,574,757,952
  5. Step 5: Solve for x
    x = 312,658,457,574,757,952/497,664,389.30
  6. Step 6: Final answer
    x = 628,251,617.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.