Home / 8,605,564,511.17-12,912,101,396.21-3,013,515,191.66

Finding the Fourth Proportional to 8,605,564,511.17, 12,912,101,396.21 and 3,013,515,191.66

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Solution

The fourth proportional to 8,605,564,511.17, 12,912,101,396.21 and 3,013,515,191.66 is: 4,521,587,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605,564,511.17 : 12,912,101,396.21 = 3,013,515,191.66 : x
  2. Step 2: Convert to fraction form
    8,605,564,511.17/12,912,101,396.21 = 3,013,515,191.66/x
  3. Step 3: Cross multiply
    8,605,564,511.17x = 12,912,101,396.21 × 3,013,515,191.66
  4. Step 4: Simplify right side
    8,605,564,511.17x = 38,910,813,713,677,615,104
  5. Step 5: Solve for x
    x = 38,910,813,713,677,615,104/8,605,564,511.17
  6. Step 6: Final answer
    x = 4,521,587,591.74

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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.