Home / 343,241,000.70-514,861,501.05-315,023,451.90

Finding the Fourth Proportional to 343,241,000.70, 514,861,501.05 and 315,023,451.90

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Solution

The fourth proportional to 343,241,000.70, 514,861,501.05 and 315,023,451.90 is: 472,535,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,241,000.70 : 514,861,501.05 = 315,023,451.90 : x
  2. Step 2: Convert to fraction form
    343,241,000.70/514,861,501.05 = 315,023,451.90/x
  3. Step 3: Cross multiply
    343,241,000.70x = 514,861,501.05 × 315,023,451.90
  4. Step 4: Simplify right side
    343,241,000.70x = 162,193,447,311,186,464
  5. Step 5: Solve for x
    x = 162,193,447,311,186,464/343,241,000.70
  6. Step 6: Final answer
    x = 472,535,177.85

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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.