Home / 361,151,331.50-498,391,766.34-196,140,081.98

Finding the Fourth Proportional to 361,151,331.50, 498,391,766.34 and 196,140,081.98

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Solution

The fourth proportional to 361,151,331.50, 498,391,766.34 and 196,140,081.98 is: 270,674,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,331.50 : 498,391,766.34 = 196,140,081.98 : x
  2. Step 2: Convert to fraction form
    361,151,331.50/498,391,766.34 = 196,140,081.98/x
  3. Step 3: Cross multiply
    361,151,331.50x = 498,391,766.34 × 196,140,081.98
  4. Step 4: Simplify right side
    361,151,331.50x = 97,754,601,908,084,592
  5. Step 5: Solve for x
    x = 97,754,601,908,084,592/361,151,331.50
  6. Step 6: Final answer
    x = 270,674,903.79

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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.