Home / 2,561,456,773,691.80-3,842,049,841,140-840,178,379,540.40

Finding the Fourth Proportional to 2,561,456,773,691.80, 3,842,049,841,140 and 840,178,379,540.40

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Solution

The fourth proportional to 2,561,456,773,691.80, 3,842,049,841,140 and 840,178,379,540.40 is: 1,260,223,183,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,456,773,691.80 : 3,842,049,841,140 = 840,178,379,540.40 : x
  2. Step 2: Convert to fraction form
    2,561,456,773,691.80/3,842,049,841,140 = 840,178,379,540.40/x
  3. Step 3: Cross multiply
    2,561,456,773,691.80x = 3,842,049,841,140 × 840,178,379,540.40
  4. Step 4: Simplify right side
    2,561,456,773,691.80x = 3,228,007,209,642,456,722,178,048
  5. Step 5: Solve for x
    x = 3,228,007,209,642,456,722,178,048/2,561,456,773,691.80
  6. Step 6: Final answer
    x = 1,260,223,183,462.11

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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.