Home / 1,019,918,757.64-1,530,190,360.65-522,281,618.11

Finding the Fourth Proportional to 1,019,918,757.64, 1,530,190,360.65 and 522,281,618.11

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Solution

The fourth proportional to 1,019,918,757.64, 1,530,190,360.65 and 522,281,618.11 is: 783,582,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,918,757.64 : 1,530,190,360.65 = 522,281,618.11 : x
  2. Step 2: Convert to fraction form
    1,019,918,757.64/1,530,190,360.65 = 522,281,618.11/x
  3. Step 3: Cross multiply
    1,019,918,757.64x = 1,530,190,360.65 × 522,281,618.11
  4. Step 4: Simplify right side
    1,019,918,757.64x = 799,190,297,566,344,192
  5. Step 5: Solve for x
    x = 799,190,297,566,344,192/1,019,918,757.64
  6. Step 6: Final answer
    x = 783,582,311.41

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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.