Home / 8,634,280,070.10-12,951,420,105.15-7,239,566,309.70

Finding the Fourth Proportional to 8,634,280,070.10, 12,951,420,105.15 and 7,239,566,309.70

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Solution

The fourth proportional to 8,634,280,070.10, 12,951,420,105.15 and 7,239,566,309.70 is: 10,859,349,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634,280,070.10 : 12,951,420,105.15 = 7,239,566,309.70 : x
  2. Step 2: Convert to fraction form
    8,634,280,070.10/12,951,420,105.15 = 7,239,566,309.70/x
  3. Step 3: Cross multiply
    8,634,280,070.10x = 12,951,420,105.15 × 7,239,566,309.70
  4. Step 4: Simplify right side
    8,634,280,070.10x = 93,762,664,656,015,163,392
  5. Step 5: Solve for x
    x = 93,762,664,656,015,163,392/8,634,280,070.10
  6. Step 6: Final answer
    x = 10,859,349,464.55

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Double scale
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Similar ratio
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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.