Home / 478,548,009.60-717,811,516.80-133,491,897.60

Finding the Fourth Proportional to 478,548,009.60, 717,811,516.80 and 133,491,897.60

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Solution

The fourth proportional to 478,548,009.60, 717,811,516.80 and 133,491,897.60 is: 200,234,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,548,009.60 : 717,811,516.80 = 133,491,897.60 : x
  2. Step 2: Convert to fraction form
    478,548,009.60/717,811,516.80 = 133,491,897.60/x
  3. Step 3: Cross multiply
    478,548,009.60x = 717,811,516.80 × 133,491,897.60
  4. Step 4: Simplify right side
    478,548,009.60x = 95,822,021,496,766,272
  5. Step 5: Solve for x
    x = 95,822,021,496,766,272/478,548,009.60
  6. Step 6: Final answer
    x = 200,234,918.07

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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.