Home / 361,151,191.34-498,391,572.80-196,139,941.82

Finding the Fourth Proportional to 361,151,191.34, 498,391,572.80 and 196,139,941.82

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Solution

The fourth proportional to 361,151,191.34, 498,391,572.80 and 196,139,941.82 is: 270,674,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,191.34 : 498,391,572.80 = 196,139,941.82 : x
  2. Step 2: Convert to fraction form
    361,151,191.34/498,391,572.80 = 196,139,941.82/x
  3. Step 3: Cross multiply
    361,151,191.34x = 498,391,572.80 × 196,139,941.82
  4. Step 4: Simplify right side
    361,151,191.34x = 97,754,494,091,589,600
  5. Step 5: Solve for x
    x = 97,754,494,091,589,600/361,151,191.34
  6. Step 6: Final answer
    x = 270,674,710.30

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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.