Home / 363,243,873-501,276,412.92-198,231,442.50

Finding the Fourth Proportional to 363,243,873, 501,276,412.92 and 198,231,442.50

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Solution

The fourth proportional to 363,243,873, 501,276,412.92 and 198,231,442.50 is: 273,559,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,243,873 : 501,276,412.92 = 198,231,442.50 : x
  2. Step 2: Convert to fraction form
    363,243,873/501,276,412.92 = 198,231,442.50/x
  3. Step 3: Cross multiply
    363,243,873x = 501,276,412.92 × 198,231,442.50
  4. Step 4: Simplify right side
    363,243,873x = 99,368,746,424,357,248
  5. Step 5: Solve for x
    x = 99,368,746,424,357,248/363,243,873
  6. Step 6: Final answer
    x = 273,559,318.71

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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.