Home / 459,120,217.43-688,609,336.13-167,919,242.87

Finding the Fourth Proportional to 459,120,217.43, 688,609,336.13 and 167,919,242.87

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Solution

The fourth proportional to 459,120,217.43, 688,609,336.13 and 167,919,242.87 is: 251,852,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,120,217.43 : 688,609,336.13 = 167,919,242.87 : x
  2. Step 2: Convert to fraction form
    459,120,217.43/688,609,336.13 = 167,919,242.87/x
  3. Step 3: Cross multiply
    459,120,217.43x = 688,609,336.13 × 167,919,242.87
  4. Step 4: Simplify right side
    459,120,217.43x = 115,630,758,357,674,560
  5. Step 5: Solve for x
    x = 115,630,758,357,674,560/459,120,217.43
  6. Step 6: Final answer
    x = 251,852,900.32

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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.