Home / 25,363,721,307.40-38,045,581,961.10-18,361,738,126.60

Finding the Fourth Proportional to 25,363,721,307.40, 38,045,581,961.10 and 18,361,738,126.60

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Solution

The fourth proportional to 25,363,721,307.40, 38,045,581,961.10 and 18,361,738,126.60 is: 27,542,607,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363,721,307.40 : 38,045,581,961.10 = 18,361,738,126.60 : x
  2. Step 2: Convert to fraction form
    25,363,721,307.40/38,045,581,961.10 = 18,361,738,126.60/x
  3. Step 3: Cross multiply
    25,363,721,307.40x = 38,045,581,961.10 × 18,361,738,126.60
  4. Step 4: Simplify right side
    25,363,721,307.40x = 698,583,012,843,815,043,072
  5. Step 5: Solve for x
    x = 698,583,012,843,815,043,072/25,363,721,307.40
  6. Step 6: Final answer
    x = 27,542,607,189.90

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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.