Home / 527,634,015.60-791,451,023.40-389,884,508.40

Finding the Fourth Proportional to 527,634,015.60, 791,451,023.40 and 389,884,508.40

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Solution

The fourth proportional to 527,634,015.60, 791,451,023.40 and 389,884,508.40 is: 584,826,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,634,015.60 : 791,451,023.40 = 389,884,508.40 : x
  2. Step 2: Convert to fraction form
    527,634,015.60/791,451,023.40 = 389,884,508.40/x
  3. Step 3: Cross multiply
    527,634,015.60x = 791,451,023.40 × 389,884,508.40
  4. Step 4: Simplify right side
    527,634,015.60x = 308,574,493,180,985,856
  5. Step 5: Solve for x
    x = 308,574,493,180,985,856/527,634,015.60
  6. Step 6: Final answer
    x = 584,826,762.60

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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.