Home / 498,008,208.72-747,270,843.90-203,119,673.18

Finding the Fourth Proportional to 498,008,208.72, 747,270,843.90 and 203,119,673.18

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Solution

The fourth proportional to 498,008,208.72, 747,270,843.90 and 203,119,673.18 is: 304,784,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,008,208.72 : 747,270,843.90 = 203,119,673.18 : x
  2. Step 2: Convert to fraction form
    498,008,208.72/747,270,843.90 = 203,119,673.18/x
  3. Step 3: Cross multiply
    498,008,208.72x = 747,270,843.90 × 203,119,673.18
  4. Step 4: Simplify right side
    498,008,208.72x = 151,785,409,586,174,432
  5. Step 5: Solve for x
    x = 151,785,409,586,174,432/498,008,208.72
  6. Step 6: Final answer
    x = 304,784,955.20

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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.