Home / 2,787,574,489.15-4,179,833,405.13-1,105,155,614.92

Finding the Fourth Proportional to 2,787,574,489.15, 4,179,833,405.13 and 1,105,155,614.92

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Solution

The fourth proportional to 2,787,574,489.15, 4,179,833,405.13 and 1,105,155,614.92 is: 1,657,127,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,574,489.15 : 4,179,833,405.13 = 1,105,155,614.92 : x
  2. Step 2: Convert to fraction form
    2,787,574,489.15/4,179,833,405.13 = 1,105,155,614.92/x
  3. Step 3: Cross multiply
    2,787,574,489.15x = 4,179,833,405.13 × 1,105,155,614.92
  4. Step 4: Simplify right side
    2,787,574,489.15x = 4,619,366,357,109,603,328
  5. Step 5: Solve for x
    x = 4,619,366,357,109,603,328/2,787,574,489.15
  6. Step 6: Final answer
    x = 1,657,127,504.61

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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.