Home / 5,181,857,092,965.40-7,151,187,573,519-2,869,603,168,072.20

Finding the Fourth Proportional to 5,181,857,092,965.40, 7,151,187,573,519 and 2,869,603,168,072.20

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Solution

The fourth proportional to 5,181,857,092,965.40, 7,151,187,573,519 and 2,869,603,168,072.20 is: 3,960,176,853,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,857,092,965.40 : 7,151,187,573,519 = 2,869,603,168,072.20 : x
  2. Step 2: Convert to fraction form
    5,181,857,092,965.40/7,151,187,573,519 = 2,869,603,168,072.20/x
  3. Step 3: Cross multiply
    5,181,857,092,965.40x = 7,151,187,573,519 × 2,869,603,168,072.20
  4. Step 4: Simplify right side
    5,181,857,092,965.40x = 20,521,070,516,448,671,391,809,536
  5. Step 5: Solve for x
    x = 20,521,070,516,448,671,391,809,536/5,181,857,092,965.40
  6. Step 6: Final answer
    x = 3,960,176,853,257.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.