Home / 424,396,124.10-636,930,109.35-165,735,260.10

Finding the Fourth Proportional to 424,396,124.10, 636,930,109.35 and 165,735,260.10

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Solution

The fourth proportional to 424,396,124.10, 636,930,109.35 and 165,735,260.10 is: 248,734,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,396,124.10 : 636,930,109.35 = 165,735,260.10 : x
  2. Step 2: Convert to fraction form
    424,396,124.10/636,930,109.35 = 165,735,260.10/x
  3. Step 3: Cross multiply
    424,396,124.10x = 636,930,109.35 × 165,735,260.10
  4. Step 4: Simplify right side
    424,396,124.10x = 105,561,777,338,643,696
  5. Step 5: Solve for x
    x = 105,561,777,338,643,696/424,396,124.10
  6. Step 6: Final answer
    x = 248,734,074.95

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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.