Home / 378,712,598.40-567,676,987.20-205,824,124.80

Finding the Fourth Proportional to 378,712,598.40, 567,676,987.20 and 205,824,124.80

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Solution

The fourth proportional to 378,712,598.40, 567,676,987.20 and 205,824,124.80 is: 308,523,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,712,598.40 : 567,676,987.20 = 205,824,124.80 : x
  2. Step 2: Convert to fraction form
    378,712,598.40/567,676,987.20 = 205,824,124.80/x
  3. Step 3: Cross multiply
    378,712,598.40x = 567,676,987.20 × 205,824,124.80
  4. Step 4: Simplify right side
    378,712,598.40x = 116,841,619,059,540,816
  5. Step 5: Solve for x
    x = 116,841,619,059,540,816/378,712,598.40
  6. Step 6: Final answer
    x = 308,523,190.29

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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.