Home / 252,407,341,432.28-378,634,287,071.15-82,427,821,321.93

Finding the Fourth Proportional to 252,407,341,432.28, 378,634,287,071.15 and 82,427,821,321.93

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Solution

The fourth proportional to 252,407,341,432.28, 378,634,287,071.15 and 82,427,821,321.93 is: 123,649,332,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,407,341,432.28 : 378,634,287,071.15 = 82,427,821,321.93 : x
  2. Step 2: Convert to fraction form
    252,407,341,432.28/378,634,287,071.15 = 82,427,821,321.93/x
  3. Step 3: Cross multiply
    252,407,341,432.28x = 378,634,287,071.15 × 82,427,821,321.93
  4. Step 4: Simplify right side
    252,407,341,432.28x = 31,209,999,361,057,103,020,032
  5. Step 5: Solve for x
    x = 31,209,999,361,057,103,020,032/252,407,341,432.28
  6. Step 6: Final answer
    x = 123,649,332,796.57

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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.