Home / 38,476,777,816.28-53,097,952,235.90-21,329,587,644.71

Finding the Fourth Proportional to 38,476,777,816.28, 53,097,952,235.90 and 21,329,587,644.71

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Solution

The fourth proportional to 38,476,777,816.28, 53,097,952,235.90 and 21,329,587,644.71 is: 29,434,830,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476,777,816.28 : 53,097,952,235.90 = 21,329,587,644.71 : x
  2. Step 2: Convert to fraction form
    38,476,777,816.28/53,097,952,235.90 = 21,329,587,644.71/x
  3. Step 3: Cross multiply
    38,476,777,816.28x = 53,097,952,235.90 × 21,329,587,644.71
  4. Step 4: Simplify right side
    38,476,777,816.28x = 1,132,557,425,969,989,025,792
  5. Step 5: Solve for x
    x = 1,132,557,425,969,989,025,792/38,476,777,816.28
  6. Step 6: Final answer
    x = 29,434,830,311.88

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Double scale
Find fourth proportional to 38,476,777,817.28, 53,097,952,237.28 and 21,329,587,645.71
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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.