Home / 40,240,756,817.13-55,530,627,618.69-21,929,425,654.16

Finding the Fourth Proportional to 40,240,756,817.13, 55,530,627,618.69 and 21,929,425,654.16

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Solution

The fourth proportional to 40,240,756,817.13, 55,530,627,618.69 and 21,929,425,654.16 is: 30,261,726,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,817.13 : 55,530,627,618.69 = 21,929,425,654.16 : x
  2. Step 2: Convert to fraction form
    40,240,756,817.13/55,530,627,618.69 = 21,929,425,654.16/x
  3. Step 3: Cross multiply
    40,240,756,817.13x = 55,530,627,618.69 × 21,929,425,654.16
  4. Step 4: Simplify right side
    40,240,756,817.13x = 1,217,754,769,892,628,758,528
  5. Step 5: Solve for x
    x = 1,217,754,769,892,628,758,528/40,240,756,817.13
  6. Step 6: Final answer
    x = 30,261,726,324.55

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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.