Home / 361,151,236.17-498,391,635.15-196,139,986.65

Finding the Fourth Proportional to 361,151,236.17, 498,391,635.15 and 196,139,986.65

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Solution

The fourth proportional to 361,151,236.17, 498,391,635.15 and 196,139,986.65 is: 270,674,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,236.17 : 498,391,635.15 = 196,139,986.65 : x
  2. Step 2: Convert to fraction form
    361,151,236.17/498,391,635.15 = 196,139,986.65/x
  3. Step 3: Cross multiply
    361,151,236.17x = 498,391,635.15 × 196,139,986.65
  4. Step 4: Simplify right side
    361,151,236.17x = 97,754,528,664,792,672
  5. Step 5: Solve for x
    x = 97,754,528,664,792,672/361,151,236.17
  6. Step 6: Final answer
    x = 270,674,772.43

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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.