Home / 1,147,915,000,198.70-1,584,170,826,279.90-660,174,318,767.70

Finding the Fourth Proportional to 1,147,915,000,198.70, 1,584,170,826,279.90 and 660,174,318,767.70

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Solution

The fourth proportional to 1,147,915,000,198.70, 1,584,170,826,279.90 and 660,174,318,767.70 is: 911,068,237,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,915,000,198.70 : 1,584,170,826,279.90 = 660,174,318,767.70 : x
  2. Step 2: Convert to fraction form
    1,147,915,000,198.70/1,584,170,826,279.90 = 660,174,318,767.70/x
  3. Step 3: Cross multiply
    1,147,915,000,198.70x = 1,584,170,826,279.90 × 660,174,318,767.70
  4. Step 4: Simplify right side
    1,147,915,000,198.70x = 1,045,828,896,050,997,211,693,056
  5. Step 5: Solve for x
    x = 1,045,828,896,050,997,211,693,056/1,147,915,000,198.70
  6. Step 6: Final answer
    x = 911,068,237,517.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.