Home / 9,042,644,151.03-12,478,859,273.88-5,028,228,229.22

Finding the Fourth Proportional to 9,042,644,151.03, 12,478,859,273.88 and 5,028,228,229.22

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Solution

The fourth proportional to 9,042,644,151.03, 12,478,859,273.88 and 5,028,228,229.22 is: 6,938,960,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,644,151.03 : 12,478,859,273.88 = 5,028,228,229.22 : x
  2. Step 2: Convert to fraction form
    9,042,644,151.03/12,478,859,273.88 = 5,028,228,229.22/x
  3. Step 3: Cross multiply
    9,042,644,151.03x = 12,478,859,273.88 × 5,028,228,229.22
  4. Step 4: Simplify right side
    9,042,644,151.03x = 62,746,552,469,324,808,192
  5. Step 5: Solve for x
    x = 62,746,552,469,324,808,192/9,042,644,151.03
  6. Step 6: Final answer
    x = 6,938,960,708.98

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Double scale
Find fourth proportional to 9,042,644,152.03, 12,478,859,275.26 and 5,028,228,230.22
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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.