Home / 2,125,766,577.40-3,188,649,866.10-1,919,142,316.60

Finding the Fourth Proportional to 2,125,766,577.40, 3,188,649,866.10 and 1,919,142,316.60

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Solution

The fourth proportional to 2,125,766,577.40, 3,188,649,866.10 and 1,919,142,316.60 is: 2,878,713,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,766,577.40 : 3,188,649,866.10 = 1,919,142,316.60 : x
  2. Step 2: Convert to fraction form
    2,125,766,577.40/3,188,649,866.10 = 1,919,142,316.60/x
  3. Step 3: Cross multiply
    2,125,766,577.40x = 3,188,649,866.10 × 1,919,142,316.60
  4. Step 4: Simplify right side
    2,125,766,577.40x = 6,119,472,890,853,433,344
  5. Step 5: Solve for x
    x = 6,119,472,890,853,433,344/2,125,766,577.40
  6. Step 6: Final answer
    x = 2,878,713,474.90

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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.