Home / 388,526,749.27-583,092,338.78-271,179,770.06

Finding the Fourth Proportional to 388,526,749.27, 583,092,338.78 and 271,179,770.06

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Solution

The fourth proportional to 388,526,749.27, 583,092,338.78 and 271,179,770.06 is: 406,980,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,526,749.27 : 583,092,338.78 = 271,179,770.06 : x
  2. Step 2: Convert to fraction form
    388,526,749.27/583,092,338.78 = 271,179,770.06/x
  3. Step 3: Cross multiply
    388,526,749.27x = 583,092,338.78 × 271,179,770.06
  4. Step 4: Simplify right side
    388,526,749.27x = 158,122,846,356,243,712
  5. Step 5: Solve for x
    x = 158,122,846,356,243,712/388,526,749.27
  6. Step 6: Final answer
    x = 406,980,591.82

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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.