Home / 641,115,652,422.05-961,673,478,633.10-222,357,150,534.08

Finding the Fourth Proportional to 641,115,652,422.05, 961,673,478,633.10 and 222,357,150,534.08

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Solution

The fourth proportional to 641,115,652,422.05, 961,673,478,633.10 and 222,357,150,534.08 is: 333,535,725,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,115,652,422.05 : 961,673,478,633.10 = 222,357,150,534.08 : x
  2. Step 2: Convert to fraction form
    641,115,652,422.05/961,673,478,633.10 = 222,357,150,534.08/x
  3. Step 3: Cross multiply
    641,115,652,422.05x = 961,673,478,633.10 × 222,357,150,534.08
  4. Step 4: Simplify right side
    641,115,652,422.05x = 213,834,974,453,052,576,104,448
  5. Step 5: Solve for x
    x = 213,834,974,453,052,576,104,448/641,115,652,422.05
  6. Step 6: Final answer
    x = 333,535,725,801.13

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Double scale
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Similar ratio
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1.5x scale

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.