Home / 39,339,178,197.33-54,288,229,476.06-21,274,694,409.16

Finding the Fourth Proportional to 39,339,178,197.33, 54,288,229,476.06 and 21,274,694,409.16

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Solution

The fourth proportional to 39,339,178,197.33, 54,288,229,476.06 and 21,274,694,409.16 is: 29,359,166,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339,178,197.33 : 54,288,229,476.06 = 21,274,694,409.16 : x
  2. Step 2: Convert to fraction form
    39,339,178,197.33/54,288,229,476.06 = 21,274,694,409.16/x
  3. Step 3: Cross multiply
    39,339,178,197.33x = 54,288,229,476.06 × 21,274,694,409.16
  4. Step 4: Simplify right side
    39,339,178,197.33x = 1,154,965,492,117,528,772,608
  5. Step 5: Solve for x
    x = 1,154,965,492,117,528,772,608/39,339,178,197.33
  6. Step 6: Final answer
    x = 29,359,166,740.19

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Double scale
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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.