Home / 1,453,405,059.80-2,180,107,589.70-678,564,081.80

Finding the Fourth Proportional to 1,453,405,059.80, 2,180,107,589.70 and 678,564,081.80

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Solution

The fourth proportional to 1,453,405,059.80, 2,180,107,589.70 and 678,564,081.80 is: 1,017,846,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,405,059.80 : 2,180,107,589.70 = 678,564,081.80 : x
  2. Step 2: Convert to fraction form
    1,453,405,059.80/2,180,107,589.70 = 678,564,081.80/x
  3. Step 3: Cross multiply
    1,453,405,059.80x = 2,180,107,589.70 × 678,564,081.80
  4. Step 4: Simplify right side
    1,453,405,059.80x = 1,479,342,704,829,991,424
  5. Step 5: Solve for x
    x = 1,479,342,704,829,991,424/1,453,405,059.80
  6. Step 6: Final answer
    x = 1,017,846,122.70

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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.