Home / 410,070,785.19-565,899,183.27-221,899,080.83

Finding the Fourth Proportional to 410,070,785.19, 565,899,183.27 and 221,899,080.83

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Solution

The fourth proportional to 410,070,785.19, 565,899,183.27 and 221,899,080.83 is: 306,221,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,070,785.19 : 565,899,183.27 = 221,899,080.83 : x
  2. Step 2: Convert to fraction form
    410,070,785.19/565,899,183.27 = 221,899,080.83/x
  3. Step 3: Cross multiply
    410,070,785.19x = 565,899,183.27 × 221,899,080.83
  4. Step 4: Simplify right side
    410,070,785.19x = 125,572,508,607,231,200
  5. Step 5: Solve for x
    x = 125,572,508,607,231,200/410,070,785.19
  6. Step 6: Final answer
    x = 306,221,543.07

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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.