Home / 756,173,999.70-1,134,260,999.55-635,241,647.70

Finding the Fourth Proportional to 756,173,999.70, 1,134,260,999.55 and 635,241,647.70

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Solution

The fourth proportional to 756,173,999.70, 1,134,260,999.55 and 635,241,647.70 is: 952,862,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,173,999.70 : 1,134,260,999.55 = 635,241,647.70 : x
  2. Step 2: Convert to fraction form
    756,173,999.70/1,134,260,999.55 = 635,241,647.70/x
  3. Step 3: Cross multiply
    756,173,999.70x = 1,134,260,999.55 × 635,241,647.70
  4. Step 4: Simplify right side
    756,173,999.70x = 720,529,826,275,991,040
  5. Step 5: Solve for x
    x = 720,529,826,275,991,040/756,173,999.70
  6. Step 6: Final answer
    x = 952,862,471.55

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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.