Home / 1,112,324,986.85-1,667,549,113.07-915,598,108.80

Finding the Fourth Proportional to 1,112,324,986.85, 1,667,549,113.07 and 915,598,108.80

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Solution

The fourth proportional to 1,112,324,986.85, 1,667,549,113.07 and 915,598,108.80 is: 1,372,624,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,324,986.85 : 1,667,549,113.07 = 915,598,108.80 : x
  2. Step 2: Convert to fraction form
    1,112,324,986.85/1,667,549,113.07 = 915,598,108.80/x
  3. Step 3: Cross multiply
    1,112,324,986.85x = 1,667,549,113.07 × 915,598,108.80
  4. Step 4: Simplify right side
    1,112,324,986.85x = 1,526,804,814,253,431,296
  5. Step 5: Solve for x
    x = 1,526,804,814,253,431,296/1,112,324,986.85
  6. Step 6: Final answer
    x = 1,372,624,756.53

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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.