Home / 66,598,069,438.22-99,902,977,244.67-18,791,498,118.17

Finding the Fourth Proportional to 66,598,069,438.22, 99,902,977,244.67 and 18,791,498,118.17

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Solution

The fourth proportional to 66,598,069,438.22, 99,902,977,244.67 and 18,791,498,118.17 is: 28,188,904,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598,069,438.22 : 99,902,977,244.67 = 18,791,498,118.17 : x
  2. Step 2: Convert to fraction form
    66,598,069,438.22/99,902,977,244.67 = 18,791,498,118.17/x
  3. Step 3: Cross multiply
    66,598,069,438.22x = 99,902,977,244.67 × 18,791,498,118.17
  4. Step 4: Simplify right side
    66,598,069,438.22x = 1,877,326,608,892,796,338,176
  5. Step 5: Solve for x
    x = 1,877,326,608,892,796,338,176/66,598,069,438.22
  6. Step 6: Final answer
    x = 28,188,904,344.06

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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.