Home / 28,569,646,360.29-39,389,512,768.43-23,400,651,556.70

Finding the Fourth Proportional to 28,569,646,360.29, 39,389,512,768.43 and 23,400,651,556.70

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Solution

The fourth proportional to 28,569,646,360.29, 39,389,512,768.43 and 23,400,651,556.70 is: 32,262,921,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569,646,360.29 : 39,389,512,768.43 = 23,400,651,556.70 : x
  2. Step 2: Convert to fraction form
    28,569,646,360.29/39,389,512,768.43 = 23,400,651,556.70/x
  3. Step 3: Cross multiply
    28,569,646,360.29x = 39,389,512,768.43 × 23,400,651,556.70
  4. Step 4: Simplify right side
    28,569,646,360.29x = 921,740,263,281,902,092,288
  5. Step 5: Solve for x
    x = 921,740,263,281,902,092,288/28,569,646,360.29
  6. Step 6: Final answer
    x = 32,262,921,691.71

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Double scale
Find fourth proportional to 28,569,646,361.29, 39,389,512,769.80 and 23,400,651,557.70
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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.