Home / 668,712,613.20-1,002,218,614.20-322,921,669.20

Finding the Fourth Proportional to 668,712,613.20, 1,002,218,614.20 and 322,921,669.20

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Solution

The fourth proportional to 668,712,613.20, 1,002,218,614.20 and 322,921,669.20 is: 483,971,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,712,613.20 : 1,002,218,614.20 = 322,921,669.20 : x
  2. Step 2: Convert to fraction form
    668,712,613.20/1,002,218,614.20 = 322,921,669.20/x
  3. Step 3: Cross multiply
    668,712,613.20x = 1,002,218,614.20 × 322,921,669.20
  4. Step 4: Simplify right side
    668,712,613.20x = 323,638,107,800,774,848
  5. Step 5: Solve for x
    x = 323,638,107,800,774,848/668,712,613.20
  6. Step 6: Final answer
    x = 483,971,890.78

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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.