Home / 4,466,128,443.40-6,699,920,366.94-1,318,661,217.64

Finding the Fourth Proportional to 4,466,128,443.40, 6,699,920,366.94 and 1,318,661,217.64

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Solution

The fourth proportional to 4,466,128,443.40, 6,699,920,366.94 and 1,318,661,217.64 is: 1,978,206,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,466,128,443.40 : 6,699,920,366.94 = 1,318,661,217.64 : x
  2. Step 2: Convert to fraction form
    4,466,128,443.40/6,699,920,366.94 = 1,318,661,217.64/x
  3. Step 3: Cross multiply
    4,466,128,443.40x = 6,699,920,366.94 × 1,318,661,217.64
  4. Step 4: Simplify right side
    4,466,128,443.40x = 8,834,925,149,160,135,680
  5. Step 5: Solve for x
    x = 8,834,925,149,160,135,680/4,466,128,443.40
  6. Step 6: Final answer
    x = 1,978,206,686.42

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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.