Home / 514,821,330.60-772,231,995.90-272,956,626.60

Finding the Fourth Proportional to 514,821,330.60, 772,231,995.90 and 272,956,626.60

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Solution

The fourth proportional to 514,821,330.60, 772,231,995.90 and 272,956,626.60 is: 409,434,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,821,330.60 : 772,231,995.90 = 272,956,626.60 : x
  2. Step 2: Convert to fraction form
    514,821,330.60/772,231,995.90 = 272,956,626.60/x
  3. Step 3: Cross multiply
    514,821,330.60x = 772,231,995.90 × 272,956,626.60
  4. Step 4: Simplify right side
    514,821,330.60x = 210,785,840,553,449,056
  5. Step 5: Solve for x
    x = 210,785,840,553,449,056/514,821,330.60
  6. Step 6: Final answer
    x = 409,434,939.90

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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.