Home / 1,681,645,588.62-2,522,459,207.28-685,662,710.30

Finding the Fourth Proportional to 1,681,645,588.62, 2,522,459,207.28 and 685,662,710.30

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Solution

The fourth proportional to 1,681,645,588.62, 2,522,459,207.28 and 685,662,710.30 is: 1,028,490,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,645,588.62 : 2,522,459,207.28 = 685,662,710.30 : x
  2. Step 2: Convert to fraction form
    1,681,645,588.62/2,522,459,207.28 = 685,662,710.30/x
  3. Step 3: Cross multiply
    1,681,645,588.62x = 2,522,459,207.28 × 685,662,710.30
  4. Step 4: Simplify right side
    1,681,645,588.62x = 1,729,556,216,694,521,600
  5. Step 5: Solve for x
    x = 1,729,556,216,694,521,600/1,681,645,588.62
  6. Step 6: Final answer
    x = 1,028,490,324.24

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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.