Home / 361,151,190.84-498,391,572.11-196,139,941.32

Finding the Fourth Proportional to 361,151,190.84, 498,391,572.11 and 196,139,941.32

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Solution

The fourth proportional to 361,151,190.84, 498,391,572.11 and 196,139,941.32 is: 270,674,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,190.84 : 498,391,572.11 = 196,139,941.32 : x
  2. Step 2: Convert to fraction form
    361,151,190.84/498,391,572.11 = 196,139,941.32/x
  3. Step 3: Cross multiply
    361,151,190.84x = 498,391,572.11 × 196,139,941.32
  4. Step 4: Simplify right side
    361,151,190.84x = 97,754,493,707,057,248
  5. Step 5: Solve for x
    x = 97,754,493,707,057,248/361,151,190.84
  6. Step 6: Final answer
    x = 270,674,709.61

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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.