Home / 787,253,118,862.55-1,180,879,681,127.10-221,290,805,523.80

Finding the Fourth Proportional to 787,253,118,862.55, 1,180,879,681,127.10 and 221,290,805,523.80

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Solution

The fourth proportional to 787,253,118,862.55, 1,180,879,681,127.10 and 221,290,805,523.80 is: 331,936,209,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,253,118,862.55 : 1,180,879,681,127.10 = 221,290,805,523.80 : x
  2. Step 2: Convert to fraction form
    787,253,118,862.55/1,180,879,681,127.10 = 221,290,805,523.80/x
  3. Step 3: Cross multiply
    787,253,118,862.55x = 1,180,879,681,127.10 × 221,290,805,523.80
  4. Step 4: Simplify right side
    787,253,118,862.55x = 261,317,815,863,304,064,598,016
  5. Step 5: Solve for x
    x = 261,317,815,863,304,064,598,016/787,253,118,862.55
  6. Step 6: Final answer
    x = 331,936,209,082.11

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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.