Home / 497,664,411.80-746,496,617.70-418,834,434.20

Finding the Fourth Proportional to 497,664,411.80, 746,496,617.70 and 418,834,434.20

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Solution

The fourth proportional to 497,664,411.80, 746,496,617.70 and 418,834,434.20 is: 628,251,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,411.80 : 746,496,617.70 = 418,834,434.20 : x
  2. Step 2: Convert to fraction form
    497,664,411.80/746,496,617.70 = 418,834,434.20/x
  3. Step 3: Cross multiply
    497,664,411.80x = 746,496,617.70 × 418,834,434.20
  4. Step 4: Simplify right side
    497,664,411.80x = 312,658,488,506,593,216
  5. Step 5: Solve for x
    x = 312,658,488,506,593,216/497,664,411.80
  6. Step 6: Final answer
    x = 628,251,651.30

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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.