Home / 19,408,896,470.40-29,113,344,705.60-12,873,174,691.20

Finding the Fourth Proportional to 19,408,896,470.40, 29,113,344,705.60 and 12,873,174,691.20

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Solution

The fourth proportional to 19,408,896,470.40, 29,113,344,705.60 and 12,873,174,691.20 is: 19,309,762,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,896,470.40 : 29,113,344,705.60 = 12,873,174,691.20 : x
  2. Step 2: Convert to fraction form
    19,408,896,470.40/29,113,344,705.60 = 12,873,174,691.20/x
  3. Step 3: Cross multiply
    19,408,896,470.40x = 29,113,344,705.60 × 12,873,174,691.20
  4. Step 4: Simplify right side
    19,408,896,470.40x = 374,781,172,240,311,451,648
  5. Step 5: Solve for x
    x = 374,781,172,240,311,451,648/19,408,896,470.40
  6. Step 6: Final answer
    x = 19,309,762,036.80

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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.