Home / 497,664,364.80-746,496,547.20-418,834,387.20

Finding the Fourth Proportional to 497,664,364.80, 746,496,547.20 and 418,834,387.20

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Solution

The fourth proportional to 497,664,364.80, 746,496,547.20 and 418,834,387.20 is: 628,251,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,364.80 : 746,496,547.20 = 418,834,387.20 : x
  2. Step 2: Convert to fraction form
    497,664,364.80/746,496,547.20 = 418,834,387.20/x
  3. Step 3: Cross multiply
    497,664,364.80x = 746,496,547.20 × 418,834,387.20
  4. Step 4: Simplify right side
    497,664,364.80x = 312,658,423,893,427,904
  5. Step 5: Solve for x
    x = 312,658,423,893,427,904/497,664,364.80
  6. Step 6: Final answer
    x = 628,251,580.80

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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.