Home / 1,120,404,703.70-1,680,607,055.55-713,265,785.30

Finding the Fourth Proportional to 1,120,404,703.70, 1,680,607,055.55 and 713,265,785.30

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Solution

The fourth proportional to 1,120,404,703.70, 1,680,607,055.55 and 713,265,785.30 is: 1,069,898,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,404,703.70 : 1,680,607,055.55 = 713,265,785.30 : x
  2. Step 2: Convert to fraction form
    1,120,404,703.70/1,680,607,055.55 = 713,265,785.30/x
  3. Step 3: Cross multiply
    1,120,404,703.70x = 1,680,607,055.55 × 713,265,785.30
  4. Step 4: Simplify right side
    1,120,404,703.70x = 1,198,719,511,257,591,296
  5. Step 5: Solve for x
    x = 1,198,719,511,257,591,296/1,120,404,703.70
  6. Step 6: Final answer
    x = 1,069,898,677.95

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Double scale
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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.