Home / 518,908,917.24-716,094,238.92-283,959,515.80

Finding the Fourth Proportional to 518,908,917.24, 716,094,238.92 and 283,959,515.80

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Solution

The fourth proportional to 518,908,917.24, 716,094,238.92 and 283,959,515.80 is: 391,864,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,908,917.24 : 716,094,238.92 = 283,959,515.80 : x
  2. Step 2: Convert to fraction form
    518,908,917.24/716,094,238.92 = 283,959,515.80/x
  3. Step 3: Cross multiply
    518,908,917.24x = 716,094,238.92 × 283,959,515.80
  4. Step 4: Simplify right side
    518,908,917.24x = 203,341,773,350,892,704
  5. Step 5: Solve for x
    x = 203,341,773,350,892,704/518,908,917.24
  6. Step 6: Final answer
    x = 391,864,095.21

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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.