Home / 1,525,783,836.48-2,289,016,920.24-556,435,452.48

Finding the Fourth Proportional to 1,525,783,836.48, 2,289,016,920.24 and 556,435,452.48

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Solution

The fourth proportional to 1,525,783,836.48, 2,289,016,920.24 and 556,435,452.48 is: 834,777,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,783,836.48 : 2,289,016,920.24 = 556,435,452.48 : x
  2. Step 2: Convert to fraction form
    1,525,783,836.48/2,289,016,920.24 = 556,435,452.48/x
  3. Step 3: Cross multiply
    1,525,783,836.48x = 2,289,016,920.24 × 556,435,452.48
  4. Step 4: Simplify right side
    1,525,783,836.48x = 1,273,690,165,748,120,320
  5. Step 5: Solve for x
    x = 1,273,690,165,748,120,320/1,525,783,836.48
  6. Step 6: Final answer
    x = 834,777,597.78

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Double scale
Find fourth proportional to 1,525,783,837.48, 2,289,016,921.74 and 556,435,453.48
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1.5x scale

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.