Home / 347,723,434.80-521,585,152.20-156,620,458.80

Finding the Fourth Proportional to 347,723,434.80, 521,585,152.20 and 156,620,458.80

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Solution

The fourth proportional to 347,723,434.80, 521,585,152.20 and 156,620,458.80 is: 234,930,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,723,434.80 : 521,585,152.20 = 156,620,458.80 : x
  2. Step 2: Convert to fraction form
    347,723,434.80/521,585,152.20 = 156,620,458.80/x
  3. Step 3: Cross multiply
    347,723,434.80x = 521,585,152.20 × 156,620,458.80
  4. Step 4: Simplify right side
    347,723,434.80x = 81,690,905,840,831,840
  5. Step 5: Solve for x
    x = 81,690,905,840,831,840/347,723,434.80
  6. Step 6: Final answer
    x = 234,930,688.20

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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.