Home / 1,282,912,325.52-1,770,419,008.71-696,201,461.52

Finding the Fourth Proportional to 1,282,912,325.52, 1,770,419,008.71 and 696,201,461.52

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Solution

The fourth proportional to 1,282,912,325.52, 1,770,419,008.71 and 696,201,461.52 is: 960,758,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,912,325.52 : 1,770,419,008.71 = 696,201,461.52 : x
  2. Step 2: Convert to fraction form
    1,282,912,325.52/1,770,419,008.71 = 696,201,461.52/x
  3. Step 3: Cross multiply
    1,282,912,325.52x = 1,770,419,008.71 × 696,201,461.52
  4. Step 4: Simplify right side
    1,282,912,325.52x = 1,232,568,301,366,691,584
  5. Step 5: Solve for x
    x = 1,232,568,301,366,691,584/1,282,912,325.52
  6. Step 6: Final answer
    x = 960,758,016.62

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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.