Home / 664,316,999.90-996,475,499.85-358,206,983.90

Finding the Fourth Proportional to 664,316,999.90, 996,475,499.85 and 358,206,983.90

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Solution

The fourth proportional to 664,316,999.90, 996,475,499.85 and 358,206,983.90 is: 537,310,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,316,999.90 : 996,475,499.85 = 358,206,983.90 : x
  2. Step 2: Convert to fraction form
    664,316,999.90/996,475,499.85 = 358,206,983.90/x
  3. Step 3: Cross multiply
    664,316,999.90x = 996,475,499.85 × 358,206,983.90
  4. Step 4: Simplify right side
    664,316,999.90x = 356,944,483,331,513,408
  5. Step 5: Solve for x
    x = 356,944,483,331,513,408/664,316,999.90
  6. Step 6: Final answer
    x = 537,310,475.85

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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.