Home / 847,287,341.28-1,270,943,800.20-322,685,488.80

Finding the Fourth Proportional to 847,287,341.28, 1,270,943,800.20 and 322,685,488.80

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Solution

The fourth proportional to 847,287,341.28, 1,270,943,800.20 and 322,685,488.80 is: 484,033,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,287,341.28 : 1,270,943,800.20 = 322,685,488.80 : x
  2. Step 2: Convert to fraction form
    847,287,341.28/1,270,943,800.20 = 322,685,488.80/x
  3. Step 3: Cross multiply
    847,287,341.28x = 1,270,943,800.20 × 322,685,488.80
  4. Step 4: Simplify right side
    847,287,341.28x = 410,115,121,404,866,560
  5. Step 5: Solve for x
    x = 410,115,121,404,866,560/847,287,341.28
  6. Step 6: Final answer
    x = 484,033,103.56

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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.