Home / 499,608,047.70-749,412,071.55-491,104,991.70

Finding the Fourth Proportional to 499,608,047.70, 749,412,071.55 and 491,104,991.70

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Solution

The fourth proportional to 499,608,047.70, 749,412,071.55 and 491,104,991.70 is: 736,657,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,608,047.70 : 749,412,071.55 = 491,104,991.70 : x
  2. Step 2: Convert to fraction form
    499,608,047.70/749,412,071.55 = 491,104,991.70/x
  3. Step 3: Cross multiply
    499,608,047.70x = 749,412,071.55 × 491,104,991.70
  4. Step 4: Simplify right side
    499,608,047.70x = 368,040,009,178,442,496
  5. Step 5: Solve for x
    x = 368,040,009,178,442,496/499,608,047.70
  6. Step 6: Final answer
    x = 736,657,487.55

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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.