Home / 5,112,469,869.30-7,668,704,803.95-2,005,453,206.90

Finding the Fourth Proportional to 5,112,469,869.30, 7,668,704,803.95 and 2,005,453,206.90

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Solution

The fourth proportional to 5,112,469,869.30, 7,668,704,803.95 and 2,005,453,206.90 is: 3,008,179,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,469,869.30 : 7,668,704,803.95 = 2,005,453,206.90 : x
  2. Step 2: Convert to fraction form
    5,112,469,869.30/7,668,704,803.95 = 2,005,453,206.90/x
  3. Step 3: Cross multiply
    5,112,469,869.30x = 7,668,704,803.95 × 2,005,453,206.90
  4. Step 4: Simplify right side
    5,112,469,869.30x = 15,379,228,641,850,963,968
  5. Step 5: Solve for x
    x = 15,379,228,641,850,963,968/5,112,469,869.30
  6. Step 6: Final answer
    x = 3,008,179,810.35

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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.