Home / 848,337,115.80-1,272,492,868.72-381,668,993.96

Finding the Fourth Proportional to 848,337,115.80, 1,272,492,868.72 and 381,668,993.96

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Solution

The fourth proportional to 848,337,115.80, 1,272,492,868.72 and 381,668,993.96 is: 572,497,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,337,115.80 : 1,272,492,868.72 = 381,668,993.96 : x
  2. Step 2: Convert to fraction form
    848,337,115.80/1,272,492,868.72 = 381,668,993.96/x
  3. Step 3: Cross multiply
    848,337,115.80x = 1,272,492,868.72 × 381,668,993.96
  4. Step 4: Simplify right side
    848,337,115.80x = 485,671,073,025,636,736
  5. Step 5: Solve for x
    x = 485,671,073,025,636,736/848,337,115.80
  6. Step 6: Final answer
    x = 572,497,729.95

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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.