Home / 728,656,271.55-1,092,984,407.33-360,248,084.33

Finding the Fourth Proportional to 728,656,271.55, 1,092,984,407.33 and 360,248,084.33

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Solution

The fourth proportional to 728,656,271.55, 1,092,984,407.33 and 360,248,084.33 is: 540,372,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,656,271.55 : 1,092,984,407.33 = 360,248,084.33 : x
  2. Step 2: Convert to fraction form
    728,656,271.55/1,092,984,407.33 = 360,248,084.33/x
  3. Step 3: Cross multiply
    728,656,271.55x = 1,092,984,407.33 × 360,248,084.33
  4. Step 4: Simplify right side
    728,656,271.55x = 393,745,538,935,926,720
  5. Step 5: Solve for x
    x = 393,745,538,935,926,720/728,656,271.55
  6. Step 6: Final answer
    x = 540,372,126.49

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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.