Home / 40,240,756,827.16-55,530,627,632.50-21,929,425,664.18

Finding the Fourth Proportional to 40,240,756,827.16, 55,530,627,632.50 and 21,929,425,664.18

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Solution

The fourth proportional to 40,240,756,827.16, 55,530,627,632.50 and 21,929,425,664.18 is: 30,261,726,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,827.16 : 55,530,627,632.50 = 21,929,425,664.18 : x
  2. Step 2: Convert to fraction form
    40,240,756,827.16/55,530,627,632.50 = 21,929,425,664.18/x
  3. Step 3: Cross multiply
    40,240,756,827.16x = 55,530,627,632.50 × 21,929,425,664.18
  4. Step 4: Simplify right side
    40,240,756,827.16x = 1,217,754,770,752,168,525,824
  5. Step 5: Solve for x
    x = 1,217,754,770,752,168,525,824/40,240,756,827.16
  6. Step 6: Final answer
    x = 30,261,726,338.36

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Double scale
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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.