Home / 239,589,781,131.03-359,406,764,689.62-78,242,033,526.29

Finding the Fourth Proportional to 239,589,781,131.03, 359,406,764,689.62 and 78,242,033,526.29

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Solution

The fourth proportional to 239,589,781,131.03, 359,406,764,689.62 and 78,242,033,526.29 is: 117,370,265,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589,781,131.03 : 359,406,764,689.62 = 78,242,033,526.29 : x
  2. Step 2: Convert to fraction form
    239,589,781,131.03/359,406,764,689.62 = 78,242,033,526.29/x
  3. Step 3: Cross multiply
    239,589,781,131.03x = 359,406,764,689.62 × 78,242,033,526.29
  4. Step 4: Simplify right side
    239,589,781,131.03x = 28,120,716,132,418,873,982,976
  5. Step 5: Solve for x
    x = 28,120,716,132,418,873,982,976/239,589,781,131.03
  6. Step 6: Final answer
    x = 117,370,265,124.29

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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.