Home / 1,319,257,460.74-1,820,568,253.83-716,422,814.43

Finding the Fourth Proportional to 1,319,257,460.74, 1,820,568,253.83 and 716,422,814.43

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Solution

The fourth proportional to 1,319,257,460.74, 1,820,568,253.83 and 716,422,814.43 is: 988,659,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,257,460.74 : 1,820,568,253.83 = 716,422,814.43 : x
  2. Step 2: Convert to fraction form
    1,319,257,460.74/1,820,568,253.83 = 716,422,814.43/x
  3. Step 3: Cross multiply
    1,319,257,460.74x = 1,820,568,253.83 × 716,422,814.43
  4. Step 4: Simplify right side
    1,319,257,460.74x = 1,304,296,632,270,799,104
  5. Step 5: Solve for x
    x = 1,304,296,632,270,799,104/1,319,257,460.74
  6. Step 6: Final answer
    x = 988,659,659.76

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Half scale
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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.