Home / 1,259,581,509.80-1,738,568,253.97-731,115,748.95

Finding the Fourth Proportional to 1,259,581,509.80, 1,738,568,253.97 and 731,115,748.95

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Solution

The fourth proportional to 1,259,581,509.80, 1,738,568,253.97 and 731,115,748.95 is: 1,009,140,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,581,509.80 : 1,738,568,253.97 = 731,115,748.95 : x
  2. Step 2: Convert to fraction form
    1,259,581,509.80/1,738,568,253.97 = 731,115,748.95/x
  3. Step 3: Cross multiply
    1,259,581,509.80x = 1,738,568,253.97 × 731,115,748.95
  4. Step 4: Simplify right side
    1,259,581,509.80x = 1,271,094,631,101,970,432
  5. Step 5: Solve for x
    x = 1,271,094,631,101,970,432/1,259,581,509.80
  6. Step 6: Final answer
    x = 1,009,140,433.72

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Double scale
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1.5x scale

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.