Home / 1,112,324,987.85-1,667,549,114.56-915,598,109.80

Finding the Fourth Proportional to 1,112,324,987.85, 1,667,549,114.56 and 915,598,109.80

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Solution

The fourth proportional to 1,112,324,987.85, 1,667,549,114.56 and 915,598,109.80 is: 1,372,624,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,324,987.85 : 1,667,549,114.56 = 915,598,109.80 : x
  2. Step 2: Convert to fraction form
    1,112,324,987.85/1,667,549,114.56 = 915,598,109.80/x
  3. Step 3: Cross multiply
    1,112,324,987.85x = 1,667,549,114.56 × 915,598,109.80
  4. Step 4: Simplify right side
    1,112,324,987.85x = 1,526,804,817,289,799,424
  5. Step 5: Solve for x
    x = 1,526,804,817,289,799,424/1,112,324,987.85
  6. Step 6: Final answer
    x = 1,372,624,758.02

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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.