Home / 514,998,046.80-772,497,070.20-458,877,877.20

Finding the Fourth Proportional to 514,998,046.80, 772,497,070.20 and 458,877,877.20

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Solution

The fourth proportional to 514,998,046.80, 772,497,070.20 and 458,877,877.20 is: 688,316,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,998,046.80 : 772,497,070.20 = 458,877,877.20 : x
  2. Step 2: Convert to fraction form
    514,998,046.80/772,497,070.20 = 458,877,877.20/x
  3. Step 3: Cross multiply
    514,998,046.80x = 772,497,070.20 × 458,877,877.20
  4. Step 4: Simplify right side
    514,998,046.80x = 354,481,815,716,595,392
  5. Step 5: Solve for x
    x = 354,481,815,716,595,392/514,998,046.80
  6. Step 6: Final answer
    x = 688,316,815.80

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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.