Home / 485,115,220.20-727,672,830.30-266,681,159.40

Finding the Fourth Proportional to 485,115,220.20, 727,672,830.30 and 266,681,159.40

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Solution

The fourth proportional to 485,115,220.20, 727,672,830.30 and 266,681,159.40 is: 400,021,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,115,220.20 : 727,672,830.30 = 266,681,159.40 : x
  2. Step 2: Convert to fraction form
    485,115,220.20/727,672,830.30 = 266,681,159.40/x
  3. Step 3: Cross multiply
    485,115,220.20x = 727,672,830.30 × 266,681,159.40
  4. Step 4: Simplify right side
    485,115,220.20x = 194,056,634,048,283,456
  5. Step 5: Solve for x
    x = 194,056,634,048,283,456/485,115,220.20
  6. Step 6: Final answer
    x = 400,021,739.10

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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.