Home / 666,020,514,349.71-997,310,212,298.40-459,664,403,553.87

Finding the Fourth Proportional to 666,020,514,349.71, 997,310,212,298.40 and 459,664,403,553.87

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Solution

The fourth proportional to 666,020,514,349.71, 997,310,212,298.40 and 459,664,403,553.87 is: 688,309,134,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,020,514,349.71 : 997,310,212,298.40 = 459,664,403,553.87 : x
  2. Step 2: Convert to fraction form
    666,020,514,349.71/997,310,212,298.40 = 459,664,403,553.87/x
  3. Step 3: Cross multiply
    666,020,514,349.71x = 997,310,212,298.40 × 459,664,403,553.87
  4. Step 4: Simplify right side
    666,020,514,349.71x = 458,428,003,894,327,488,020,480
  5. Step 5: Solve for x
    x = 458,428,003,894,327,488,020,480/666,020,514,349.71
  6. Step 6: Final answer
    x = 688,309,134,654.70

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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.