Home / 1,019,918,796.12-1,530,190,418.37-522,281,656.53

Finding the Fourth Proportional to 1,019,918,796.12, 1,530,190,418.37 and 522,281,656.53

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Solution

The fourth proportional to 1,019,918,796.12, 1,530,190,418.37 and 522,281,656.53 is: 783,582,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,918,796.12 : 1,530,190,418.37 = 522,281,656.53 : x
  2. Step 2: Convert to fraction form
    1,019,918,796.12/1,530,190,418.37 = 522,281,656.53/x
  3. Step 3: Cross multiply
    1,019,918,796.12x = 1,530,190,418.37 × 522,281,656.53
  4. Step 4: Simplify right side
    1,019,918,796.12x = 799,190,386,512,617,216
  5. Step 5: Solve for x
    x = 799,190,386,512,617,216/1,019,918,796.12
  6. Step 6: Final answer
    x = 783,582,369.06

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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.