Home / 360,232,761.74-497,121,636.21-195,220,331.24

Finding the Fourth Proportional to 360,232,761.74, 497,121,636.21 and 195,220,331.24

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Solution

The fourth proportional to 360,232,761.74, 497,121,636.21 and 195,220,331.24 is: 269,404,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,232,761.74 : 497,121,636.21 = 195,220,331.24 : x
  2. Step 2: Convert to fraction form
    360,232,761.74/497,121,636.21 = 195,220,331.24/x
  3. Step 3: Cross multiply
    360,232,761.74x = 497,121,636.21 × 195,220,331.24
  4. Step 4: Simplify right side
    360,232,761.74x = 97,048,250,487,486,976
  5. Step 5: Solve for x
    x = 97,048,250,487,486,976/360,232,761.74
  6. Step 6: Final answer
    x = 269,404,287.44

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1.5x scale

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.