Home / 433,026,000.80-649,539,001.20-402,414,999.20

Finding the Fourth Proportional to 433,026,000.80, 649,539,001.20 and 402,414,999.20

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Solution

The fourth proportional to 433,026,000.80, 649,539,001.20 and 402,414,999.20 is: 603,622,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,026,000.80 : 649,539,001.20 = 402,414,999.20 : x
  2. Step 2: Convert to fraction form
    433,026,000.80/649,539,001.20 = 402,414,999.20/x
  3. Step 3: Cross multiply
    433,026,000.80x = 649,539,001.20 × 402,414,999.20
  4. Step 4: Simplify right side
    433,026,000.80x = 261,384,236,648,266,816
  5. Step 5: Solve for x
    x = 261,384,236,648,266,816/433,026,000.80
  6. Step 6: Final answer
    x = 603,622,498.80

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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.