Home / 65,192,366,712.44-97,788,428,012.19-20,427,290,385.14

Finding the Fourth Proportional to 65,192,366,712.44, 97,788,428,012.19 and 20,427,290,385.14

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Solution

The fourth proportional to 65,192,366,712.44, 97,788,428,012.19 and 20,427,290,385.14 is: 30,640,897,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,712.44 : 97,788,428,012.19 = 20,427,290,385.14 : x
  2. Step 2: Convert to fraction form
    65,192,366,712.44/97,788,428,012.19 = 20,427,290,385.14/x
  3. Step 3: Cross multiply
    65,192,366,712.44x = 97,788,428,012.19 × 20,427,290,385.14
  4. Step 4: Simplify right side
    65,192,366,712.44x = 1,997,552,615,310,874,902,528
  5. Step 5: Solve for x
    x = 1,997,552,615,310,874,902,528/65,192,366,712.44
  6. Step 6: Final answer
    x = 30,640,897,332.69

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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.