Home / 298,984,593.60-448,476,890.40-280,844,740.80

Finding the Fourth Proportional to 298,984,593.60, 448,476,890.40 and 280,844,740.80

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Solution

The fourth proportional to 298,984,593.60, 448,476,890.40 and 280,844,740.80 is: 421,267,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,984,593.60 : 448,476,890.40 = 280,844,740.80 : x
  2. Step 2: Convert to fraction form
    298,984,593.60/448,476,890.40 = 280,844,740.80/x
  3. Step 3: Cross multiply
    298,984,593.60x = 448,476,890.40 × 280,844,740.80
  4. Step 4: Simplify right side
    298,984,593.60x = 125,952,376,039,178,000
  5. Step 5: Solve for x
    x = 125,952,376,039,178,000/298,984,593.60
  6. Step 6: Final answer
    x = 421,267,111.20

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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.