Home / 347,753,996.80-521,630,995.20-225,309,990.40

Finding the Fourth Proportional to 347,753,996.80, 521,630,995.20 and 225,309,990.40

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Solution

The fourth proportional to 347,753,996.80, 521,630,995.20 and 225,309,990.40 is: 337,964,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,996.80 : 521,630,995.20 = 225,309,990.40 : x
  2. Step 2: Convert to fraction form
    347,753,996.80/521,630,995.20 = 225,309,990.40/x
  3. Step 3: Cross multiply
    347,753,996.80x = 521,630,995.20 × 225,309,990.40
  4. Step 4: Simplify right side
    347,753,996.80x = 117,528,674,520,854,448
  5. Step 5: Solve for x
    x = 117,528,674,520,854,448/347,753,996.80
  6. Step 6: Final answer
    x = 337,964,985.60

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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.