Home / 433,102,961.40-649,654,442.10-385,485,847.80

Finding the Fourth Proportional to 433,102,961.40, 649,654,442.10 and 385,485,847.80

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Solution

The fourth proportional to 433,102,961.40, 649,654,442.10 and 385,485,847.80 is: 578,228,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,961.40 : 649,654,442.10 = 385,485,847.80 : x
  2. Step 2: Convert to fraction form
    433,102,961.40/649,654,442.10 = 385,485,847.80/x
  3. Step 3: Cross multiply
    433,102,961.40x = 649,654,442.10 × 385,485,847.80
  4. Step 4: Simplify right side
    433,102,961.40x = 250,432,593,389,954,528
  5. Step 5: Solve for x
    x = 250,432,593,389,954,528/433,102,961.40
  6. Step 6: Final answer
    x = 578,228,771.70

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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.