Home / 527,634,000.60-791,451,000.90-389,884,493.40

Finding the Fourth Proportional to 527,634,000.60, 791,451,000.90 and 389,884,493.40

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Solution

The fourth proportional to 527,634,000.60, 791,451,000.90 and 389,884,493.40 is: 584,826,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,634,000.60 : 791,451,000.90 = 389,884,493.40 : x
  2. Step 2: Convert to fraction form
    527,634,000.60/791,451,000.90 = 389,884,493.40/x
  3. Step 3: Cross multiply
    527,634,000.60x = 791,451,000.90 × 389,884,493.40
  4. Step 4: Simplify right side
    527,634,000.60x = 308,574,472,536,819,392
  5. Step 5: Solve for x
    x = 308,574,472,536,819,392/527,634,000.60
  6. Step 6: Final answer
    x = 584,826,740.10

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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.