Home / 727,858,807.20-1,092,086,809.20-268,017,271.20

Finding the Fourth Proportional to 727,858,807.20, 1,092,086,809.20 and 268,017,271.20

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Solution

The fourth proportional to 727,858,807.20, 1,092,086,809.20 and 268,017,271.20 is: 402,135,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,858,807.20 : 1,092,086,809.20 = 268,017,271.20 : x
  2. Step 2: Convert to fraction form
    727,858,807.20/1,092,086,809.20 = 268,017,271.20/x
  3. Step 3: Cross multiply
    727,858,807.20x = 1,092,086,809.20 × 268,017,271.20
  4. Step 4: Simplify right side
    727,858,807.20x = 292,698,126,515,299,072
  5. Step 5: Solve for x
    x = 292,698,126,515,299,072/727,858,807.20
  6. Step 6: Final answer
    x = 402,135,858.80

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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.