Home / 8,612,666,838.30-12,919,000,257.45-3,091,207,424.70

Finding the Fourth Proportional to 8,612,666,838.30, 12,919,000,257.45 and 3,091,207,424.70

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Solution

The fourth proportional to 8,612,666,838.30, 12,919,000,257.45 and 3,091,207,424.70 is: 4,636,811,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,666,838.30 : 12,919,000,257.45 = 3,091,207,424.70 : x
  2. Step 2: Convert to fraction form
    8,612,666,838.30/12,919,000,257.45 = 3,091,207,424.70/x
  3. Step 3: Cross multiply
    8,612,666,838.30x = 12,919,000,257.45 × 3,091,207,424.70
  4. Step 4: Simplify right side
    8,612,666,838.30x = 39,935,309,515,530,649,600
  5. Step 5: Solve for x
    x = 39,935,309,515,530,649,600/8,612,666,838.30
  6. Step 6: Final answer
    x = 4,636,811,137.05

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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.