Home / 279,785,603.20-419,678,404.80-177,748,931.20

Finding the Fourth Proportional to 279,785,603.20, 419,678,404.80 and 177,748,931.20

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Solution

The fourth proportional to 279,785,603.20, 419,678,404.80 and 177,748,931.20 is: 266,623,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,785,603.20 : 419,678,404.80 = 177,748,931.20 : x
  2. Step 2: Convert to fraction form
    279,785,603.20/419,678,404.80 = 177,748,931.20/x
  3. Step 3: Cross multiply
    279,785,603.20x = 419,678,404.80 × 177,748,931.20
  4. Step 4: Simplify right side
    279,785,603.20x = 74,597,387,900,920,944
  5. Step 5: Solve for x
    x = 74,597,387,900,920,944/279,785,603.20
  6. Step 6: Final answer
    x = 266,623,396.80

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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.