Home / 265,716,820.20-398,575,230.30-156,429,805.80

Finding the Fourth Proportional to 265,716,820.20, 398,575,230.30 and 156,429,805.80

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Solution

The fourth proportional to 265,716,820.20, 398,575,230.30 and 156,429,805.80 is: 234,644,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,820.20 : 398,575,230.30 = 156,429,805.80 : x
  2. Step 2: Convert to fraction form
    265,716,820.20/398,575,230.30 = 156,429,805.80/x
  3. Step 3: Cross multiply
    265,716,820.20x = 398,575,230.30 × 156,429,805.80
  4. Step 4: Simplify right side
    265,716,820.20x = 62,349,045,872,519,280
  5. Step 5: Solve for x
    x = 62,349,045,872,519,280/265,716,820.20
  6. Step 6: Final answer
    x = 234,644,708.70

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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.