Home / 866,143,722.20-1,299,215,583.30-406,978,698.20

Finding the Fourth Proportional to 866,143,722.20, 1,299,215,583.30 and 406,978,698.20

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Solution

The fourth proportional to 866,143,722.20, 1,299,215,583.30 and 406,978,698.20 is: 610,468,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,143,722.20 : 1,299,215,583.30 = 406,978,698.20 : x
  2. Step 2: Convert to fraction form
    866,143,722.20/1,299,215,583.30 = 406,978,698.20/x
  3. Step 3: Cross multiply
    866,143,722.20x = 1,299,215,583.30 × 406,978,698.20
  4. Step 4: Simplify right side
    866,143,722.20x = 528,753,066,772,587,648
  5. Step 5: Solve for x
    x = 528,753,066,772,587,648/866,143,722.20
  6. Step 6: Final answer
    x = 610,468,047.30

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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.