Home / 433,102,956.90-649,654,435.35-385,485,843.30

Finding the Fourth Proportional to 433,102,956.90, 649,654,435.35 and 385,485,843.30

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Solution

The fourth proportional to 433,102,956.90, 649,654,435.35 and 385,485,843.30 is: 578,228,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,956.90 : 649,654,435.35 = 385,485,843.30 : x
  2. Step 2: Convert to fraction form
    433,102,956.90/649,654,435.35 = 385,485,843.30/x
  3. Step 3: Cross multiply
    433,102,956.90x = 649,654,435.35 × 385,485,843.30
  4. Step 4: Simplify right side
    433,102,956.90x = 250,432,587,864,480,096
  5. Step 5: Solve for x
    x = 250,432,587,864,480,096/433,102,956.90
  6. Step 6: Final answer
    x = 578,228,764.95

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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.