Home / 454,026,672.79-681,040,017.12-108,980,299.78

Finding the Fourth Proportional to 454,026,672.79, 681,040,017.12 and 108,980,299.78

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Solution

The fourth proportional to 454,026,672.79, 681,040,017.12 and 108,980,299.78 is: 163,470,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,026,672.79 : 681,040,017.12 = 108,980,299.78 : x
  2. Step 2: Convert to fraction form
    454,026,672.79/681,040,017.12 = 108,980,299.78/x
  3. Step 3: Cross multiply
    454,026,672.79x = 681,040,017.12 × 108,980,299.78
  4. Step 4: Simplify right side
    454,026,672.79x = 74,219,945,227,913,936
  5. Step 5: Solve for x
    x = 74,219,945,227,913,936/454,026,672.79
  6. Step 6: Final answer
    x = 163,470,451.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.