Home / 1,281,517,410.42-1,922,350,111.92-494,575,146.90

Finding the Fourth Proportional to 1,281,517,410.42, 1,922,350,111.92 and 494,575,146.90

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Solution

The fourth proportional to 1,281,517,410.42, 1,922,350,111.92 and 494,575,146.90 is: 741,891,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,517,410.42 : 1,922,350,111.92 = 494,575,146.90 : x
  2. Step 2: Convert to fraction form
    1,281,517,410.42/1,922,350,111.92 = 494,575,146.90/x
  3. Step 3: Cross multiply
    1,281,517,410.42x = 1,922,350,111.92 × 494,575,146.90
  4. Step 4: Simplify right side
    1,281,517,410.42x = 950,746,588,996,065,408
  5. Step 5: Solve for x
    x = 950,746,588,996,065,408/1,281,517,410.42
  6. Step 6: Final answer
    x = 741,891,277.69

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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.