Home / 1,036,998,542.20-1,556,095,010.10-391,229,735.80

Finding the Fourth Proportional to 1,036,998,542.20, 1,556,095,010.10 and 391,229,735.80

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Solution

The fourth proportional to 1,036,998,542.20, 1,556,095,010.10 and 391,229,735.80 is: 587,069,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,998,542.20 : 1,556,095,010.10 = 391,229,735.80 : x
  2. Step 2: Convert to fraction form
    1,036,998,542.20/1,556,095,010.10 = 391,229,735.80/x
  3. Step 3: Cross multiply
    1,036,998,542.20x = 1,556,095,010.10 × 391,229,735.80
  4. Step 4: Simplify right side
    1,036,998,542.20x = 608,790,639,681,121,280
  5. Step 5: Solve for x
    x = 608,790,639,681,121,280/1,036,998,542.20
  6. Step 6: Final answer
    x = 587,069,908.88

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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.