Home / 66,598,069,435.22-99,902,977,240.17-18,791,498,115.17

Finding the Fourth Proportional to 66,598,069,435.22, 99,902,977,240.17 and 18,791,498,115.17

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Solution

The fourth proportional to 66,598,069,435.22, 99,902,977,240.17 and 18,791,498,115.17 is: 28,188,904,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598,069,435.22 : 99,902,977,240.17 = 18,791,498,115.17 : x
  2. Step 2: Convert to fraction form
    66,598,069,435.22/99,902,977,240.17 = 18,791,498,115.17/x
  3. Step 3: Cross multiply
    66,598,069,435.22x = 99,902,977,240.17 × 18,791,498,115.17
  4. Step 4: Simplify right side
    66,598,069,435.22x = 1,877,326,608,508,026,617,856
  5. Step 5: Solve for x
    x = 1,877,326,608,508,026,617,856/66,598,069,435.22
  6. Step 6: Final answer
    x = 28,188,904,339.55

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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.