Home / 454,229,815.07-681,350,147.74-126,685,399.58

Finding the Fourth Proportional to 454,229,815.07, 681,350,147.74 and 126,685,399.58

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Solution

The fourth proportional to 454,229,815.07, 681,350,147.74 and 126,685,399.58 is: 190,029,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,229,815.07 : 681,350,147.74 = 126,685,399.58 : x
  2. Step 2: Convert to fraction form
    454,229,815.07/681,350,147.74 = 126,685,399.58/x
  3. Step 3: Cross multiply
    454,229,815.07x = 681,350,147.74 × 126,685,399.58
  4. Step 4: Simplify right side
    454,229,815.07x = 86,317,115,721,720,592
  5. Step 5: Solve for x
    x = 86,317,115,721,720,592/454,229,815.07
  6. Step 6: Final answer
    x = 190,029,612.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.