Home / 1,014,382,559.67-1,520,511,868.59-424,510,763.48

Finding the Fourth Proportional to 1,014,382,559.67, 1,520,511,868.59 and 424,510,763.48

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Solution

The fourth proportional to 1,014,382,559.67, 1,520,511,868.59 and 424,510,763.48 is: 636,321,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,382,559.67 : 1,520,511,868.59 = 424,510,763.48 : x
  2. Step 2: Convert to fraction form
    1,014,382,559.67/1,520,511,868.59 = 424,510,763.48/x
  3. Step 3: Cross multiply
    1,014,382,559.67x = 1,520,511,868.59 × 424,510,763.48
  4. Step 4: Simplify right side
    1,014,382,559.67x = 645,473,654,215,542,272
  5. Step 5: Solve for x
    x = 645,473,654,215,542,272/1,014,382,559.67
  6. Step 6: Final answer
    x = 636,321,719.12

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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.