Home / 350,921,856.60-527,516,525.70-323,712,077.40

Finding the Fourth Proportional to 350,921,856.60, 527,516,525.70 and 323,712,077.40

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Solution

The fourth proportional to 350,921,856.60, 527,516,525.70 and 323,712,077.40 is: 486,613,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,921,856.60 : 527,516,525.70 = 323,712,077.40 : x
  2. Step 2: Convert to fraction form
    350,921,856.60/527,516,525.70 = 323,712,077.40/x
  3. Step 3: Cross multiply
    350,921,856.60x = 527,516,525.70 × 323,712,077.40
  4. Step 4: Simplify right side
    350,921,856.60x = 170,763,470,397,177,472
  5. Step 5: Solve for x
    x = 170,763,470,397,177,472/350,921,856.60
  6. Step 6: Final answer
    x = 486,613,948.90

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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.