Home / 527,634,617.60-791,451,926.40-389,885,110.40

Finding the Fourth Proportional to 527,634,617.60, 791,451,926.40 and 389,885,110.40

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Solution

The fourth proportional to 527,634,617.60, 791,451,926.40 and 389,885,110.40 is: 584,827,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,634,617.60 : 791,451,926.40 = 389,885,110.40 : x
  2. Step 2: Convert to fraction form
    527,634,617.60/791,451,926.40 = 389,885,110.40/x
  3. Step 3: Cross multiply
    527,634,617.60x = 791,451,926.40 × 389,885,110.40
  4. Step 4: Simplify right side
    527,634,617.60x = 308,575,321,700,756,672
  5. Step 5: Solve for x
    x = 308,575,321,700,756,672/527,634,617.60
  6. Step 6: Final answer
    x = 584,827,665.60

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1.5x scale

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.