Home / 1,769,472,000.80-2,654,208,001.20-1,618,978,407.20

Finding the Fourth Proportional to 1,769,472,000.80, 2,654,208,001.20 and 1,618,978,407.20

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Solution

The fourth proportional to 1,769,472,000.80, 2,654,208,001.20 and 1,618,978,407.20 is: 2,428,467,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,472,000.80 : 2,654,208,001.20 = 1,618,978,407.20 : x
  2. Step 2: Convert to fraction form
    1,769,472,000.80/2,654,208,001.20 = 1,618,978,407.20/x
  3. Step 3: Cross multiply
    1,769,472,000.80x = 2,654,208,001.20 × 1,618,978,407.20
  4. Step 4: Simplify right side
    1,769,472,000.80x = 4,297,105,442,160,271,360
  5. Step 5: Solve for x
    x = 4,297,105,442,160,271,360/1,769,472,000.80
  6. Step 6: Final answer
    x = 2,428,467,610.80

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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.