Home / 1,141,944,019.20-1,575,882,746.55-646,906,727.70

Finding the Fourth Proportional to 1,141,944,019.20, 1,575,882,746.55 and 646,906,727.70

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Solution

The fourth proportional to 1,141,944,019.20, 1,575,882,746.55 and 646,906,727.70 is: 892,731,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,944,019.20 : 1,575,882,746.55 = 646,906,727.70 : x
  2. Step 2: Convert to fraction form
    1,141,944,019.20/1,575,882,746.55 = 646,906,727.70/x
  3. Step 3: Cross multiply
    1,141,944,019.20x = 1,575,882,746.55 × 646,906,727.70
  4. Step 4: Simplify right side
    1,141,944,019.20x = 1,019,449,150,809,549,056
  5. Step 5: Solve for x
    x = 1,019,449,150,809,549,056/1,141,944,019.20
  6. Step 6: Final answer
    x = 892,731,284.26

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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.