Home / 478,289,200.20-717,433,800.30-305,960,598.60

Finding the Fourth Proportional to 478,289,200.20, 717,433,800.30 and 305,960,598.60

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Solution

The fourth proportional to 478,289,200.20, 717,433,800.30 and 305,960,598.60 is: 458,940,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,289,200.20 : 717,433,800.30 = 305,960,598.60 : x
  2. Step 2: Convert to fraction form
    478,289,200.20/717,433,800.30 = 305,960,598.60/x
  3. Step 3: Cross multiply
    478,289,200.20x = 717,433,800.30 × 305,960,598.60
  4. Step 4: Simplify right side
    478,289,200.20x = 219,506,474,995,660,864
  5. Step 5: Solve for x
    x = 219,506,474,995,660,864/478,289,200.20
  6. Step 6: Final answer
    x = 458,940,897.90

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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.