Home / 1,059,289,767.64-1,586,664,596.22-861,614,885.80

Finding the Fourth Proportional to 1,059,289,767.64, 1,586,664,596.22 and 861,614,885.80

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Solution

The fourth proportional to 1,059,289,767.64, 1,586,664,596.22 and 861,614,885.80 is: 1,290,575,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,289,767.64 : 1,586,664,596.22 = 861,614,885.80 : x
  2. Step 2: Convert to fraction form
    1,059,289,767.64/1,586,664,596.22 = 861,614,885.80/x
  3. Step 3: Cross multiply
    1,059,289,767.64x = 1,586,664,596.22 × 861,614,885.80
  4. Step 4: Simplify right side
    1,059,289,767.64x = 1,367,093,834,874,998,272
  5. Step 5: Solve for x
    x = 1,367,093,834,874,998,272/1,059,289,767.64
  6. Step 6: Final answer
    x = 1,290,575,890.22

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Double scale
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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.