Home / 398,693,044.70-598,151,541.45-194,227,790.30

Finding the Fourth Proportional to 398,693,044.70, 598,151,541.45 and 194,227,790.30

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Solution

The fourth proportional to 398,693,044.70, 598,151,541.45 and 194,227,790.30 is: 291,396,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,693,044.70 : 598,151,541.45 = 194,227,790.30 : x
  2. Step 2: Convert to fraction form
    398,693,044.70/598,151,541.45 = 194,227,790.30/x
  3. Step 3: Cross multiply
    398,693,044.70x = 598,151,541.45 × 194,227,790.30
  4. Step 4: Simplify right side
    398,693,044.70x = 116,177,652,160,372,368
  5. Step 5: Solve for x
    x = 116,177,652,160,372,368/398,693,044.70
  6. Step 6: Final answer
    x = 291,396,235.04

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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.