Home / 19,642,156,292.92-29,443,377,179.04-8,457,324,610.36

Finding the Fourth Proportional to 19,642,156,292.92, 29,443,377,179.04 and 8,457,324,610.36

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Solution

The fourth proportional to 19,642,156,292.92, 29,443,377,179.04 and 8,457,324,610.36 is: 12,677,436,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642,156,292.92 : 29,443,377,179.04 = 8,457,324,610.36 : x
  2. Step 2: Convert to fraction form
    19,642,156,292.92/29,443,377,179.04 = 8,457,324,610.36/x
  3. Step 3: Cross multiply
    19,642,156,292.92x = 29,443,377,179.04 × 8,457,324,610.36
  4. Step 4: Simplify right side
    19,642,156,292.92x = 249,012,198,428,406,972,416
  5. Step 5: Solve for x
    x = 249,012,198,428,406,972,416/19,642,156,292.92
  6. Step 6: Final answer
    x = 12,677,436,973.57

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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.