Home / 265,536,458.70-398,628,169.65-168,491,978.70

Finding the Fourth Proportional to 265,536,458.70, 398,628,169.65 and 168,491,978.70

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Solution

The fourth proportional to 265,536,458.70, 398,628,169.65 and 168,491,978.70 is: 252,943,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,536,458.70 : 398,628,169.65 = 168,491,978.70 : x
  2. Step 2: Convert to fraction form
    265,536,458.70/398,628,169.65 = 168,491,978.70/x
  3. Step 3: Cross multiply
    265,536,458.70x = 398,628,169.65 × 168,491,978.70
  4. Step 4: Simplify right side
    265,536,458.70x = 67,165,649,069,887,776
  5. Step 5: Solve for x
    x = 67,165,649,069,887,776/265,536,458.70
  6. Step 6: Final answer
    x = 252,943,228.21

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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.