Home / 361,169,972.28-498,417,112.62-196,157,541.78

Finding the Fourth Proportional to 361,169,972.28, 498,417,112.62 and 196,157,541.78

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Solution

The fourth proportional to 361,169,972.28, 498,417,112.62 and 196,157,541.78 is: 270,698,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,972.28 : 498,417,112.62 = 196,157,541.78 : x
  2. Step 2: Convert to fraction form
    361,169,972.28/498,417,112.62 = 196,157,541.78/x
  3. Step 3: Cross multiply
    361,169,972.28x = 498,417,112.62 × 196,157,541.78
  4. Step 4: Simplify right side
    361,169,972.28x = 97,768,275,592,624,624
  5. Step 5: Solve for x
    x = 97,768,275,592,624,624/361,169,972.28
  6. Step 6: Final answer
    x = 270,698,793.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.