Home / 433,026,001.80-649,539,002.70-402,415,000.20

Finding the Fourth Proportional to 433,026,001.80, 649,539,002.70 and 402,415,000.20

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Solution

The fourth proportional to 433,026,001.80, 649,539,002.70 and 402,415,000.20 is: 603,622,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,026,001.80 : 649,539,002.70 = 402,415,000.20 : x
  2. Step 2: Convert to fraction form
    433,026,001.80/649,539,002.70 = 402,415,000.20/x
  3. Step 3: Cross multiply
    433,026,001.80x = 649,539,002.70 × 402,415,000.20
  4. Step 4: Simplify right side
    433,026,001.80x = 261,384,237,901,428,320
  5. Step 5: Solve for x
    x = 261,384,237,901,428,320/433,026,001.80
  6. Step 6: Final answer
    x = 603,622,500.30

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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.