Home / 279,936,271.60-419,904,407.40-247,057,788.40

Finding the Fourth Proportional to 279,936,271.60, 419,904,407.40 and 247,057,788.40

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Solution

The fourth proportional to 279,936,271.60, 419,904,407.40 and 247,057,788.40 is: 370,586,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,271.60 : 419,904,407.40 = 247,057,788.40 : x
  2. Step 2: Convert to fraction form
    279,936,271.60/419,904,407.40 = 247,057,788.40/x
  3. Step 3: Cross multiply
    279,936,271.60x = 419,904,407.40 × 247,057,788.40
  4. Step 4: Simplify right side
    279,936,271.60x = 103,740,654,231,656,592
  5. Step 5: Solve for x
    x = 103,740,654,231,656,592/279,936,271.60
  6. Step 6: Final answer
    x = 370,586,682.60

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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.