Home / 880,670,103.70-1,321,005,155.55-267,253,345.30

Finding the Fourth Proportional to 880,670,103.70, 1,321,005,155.55 and 267,253,345.30

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Solution

The fourth proportional to 880,670,103.70, 1,321,005,155.55 and 267,253,345.30 is: 400,880,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,670,103.70 : 1,321,005,155.55 = 267,253,345.30 : x
  2. Step 2: Convert to fraction form
    880,670,103.70/1,321,005,155.55 = 267,253,345.30/x
  3. Step 3: Cross multiply
    880,670,103.70x = 1,321,005,155.55 × 267,253,345.30
  4. Step 4: Simplify right side
    880,670,103.70x = 353,043,046,979,284,352
  5. Step 5: Solve for x
    x = 353,043,046,979,284,352/880,670,103.70
  6. Step 6: Final answer
    x = 400,880,017.95

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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.