Home / 385,730,420-532,312,261.84-226,995,627.04

Finding the Fourth Proportional to 385,730,420, 532,312,261.84 and 226,995,627.04

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Solution

The fourth proportional to 385,730,420, 532,312,261.84 and 226,995,627.04 is: 313,256,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,730,420 : 532,312,261.84 = 226,995,627.04 : x
  2. Step 2: Convert to fraction form
    385,730,420/532,312,261.84 = 226,995,627.04/x
  3. Step 3: Cross multiply
    385,730,420x = 532,312,261.84 × 226,995,627.04
  4. Step 4: Simplify right side
    385,730,420x = 120,832,555,657,451,456
  5. Step 5: Solve for x
    x = 120,832,555,657,451,456/385,730,420
  6. Step 6: Final answer
    x = 313,256,485.34

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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.