Home / 291,344,897.70-437,017,346.55-199,511,892.90

Finding the Fourth Proportional to 291,344,897.70, 437,017,346.55 and 199,511,892.90

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Solution

The fourth proportional to 291,344,897.70, 437,017,346.55 and 199,511,892.90 is: 299,267,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,344,897.70 : 437,017,346.55 = 199,511,892.90 : x
  2. Step 2: Convert to fraction form
    291,344,897.70/437,017,346.55 = 199,511,892.90/x
  3. Step 3: Cross multiply
    291,344,897.70x = 437,017,346.55 × 199,511,892.90
  4. Step 4: Simplify right side
    291,344,897.70x = 87,190,158,040,325,792
  5. Step 5: Solve for x
    x = 87,190,158,040,325,792/291,344,897.70
  6. Step 6: Final answer
    x = 299,267,839.35

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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.