Home / 499,608,003.70-749,412,005.55-491,104,947.70

Finding the Fourth Proportional to 499,608,003.70, 749,412,005.55 and 491,104,947.70

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Solution

The fourth proportional to 499,608,003.70, 749,412,005.55 and 491,104,947.70 is: 736,657,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,608,003.70 : 749,412,005.55 = 491,104,947.70 : x
  2. Step 2: Convert to fraction form
    499,608,003.70/749,412,005.55 = 491,104,947.70/x
  3. Step 3: Cross multiply
    499,608,003.70x = 749,412,005.55 × 491,104,947.70
  4. Step 4: Simplify right side
    499,608,003.70x = 368,039,943,791,384,832
  5. Step 5: Solve for x
    x = 368,039,943,791,384,832/499,608,003.70
  6. Step 6: Final answer
    x = 736,657,421.55

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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.