Home / 7,202,676,085.08-9,939,479,521.50-3,987,729,363.48

Finding the Fourth Proportional to 7,202,676,085.08, 9,939,479,521.50 and 3,987,729,363.48

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Solution

The fourth proportional to 7,202,676,085.08, 9,939,479,521.50 and 3,987,729,363.48 is: 5,502,948,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,676,085.08 : 9,939,479,521.50 = 3,987,729,363.48 : x
  2. Step 2: Convert to fraction form
    7,202,676,085.08/9,939,479,521.50 = 3,987,729,363.48/x
  3. Step 3: Cross multiply
    7,202,676,085.08x = 9,939,479,521.50 × 3,987,729,363.48
  4. Step 4: Simplify right side
    7,202,676,085.08x = 39,635,954,345,593,692,160
  5. Step 5: Solve for x
    x = 39,635,954,345,593,692,160/7,202,676,085.08
  6. Step 6: Final answer
    x = 5,502,948,331.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.