Home / 664,302,844.60-996,454,266.90-406,022,518.60

Finding the Fourth Proportional to 664,302,844.60, 996,454,266.90 and 406,022,518.60

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Solution

The fourth proportional to 664,302,844.60, 996,454,266.90 and 406,022,518.60 is: 609,033,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,844.60 : 996,454,266.90 = 406,022,518.60 : x
  2. Step 2: Convert to fraction form
    664,302,844.60/996,454,266.90 = 406,022,518.60/x
  3. Step 3: Cross multiply
    664,302,844.60x = 996,454,266.90 × 406,022,518.60
  4. Step 4: Simplify right side
    664,302,844.60x = 404,582,871,116,454,656
  5. Step 5: Solve for x
    x = 404,582,871,116,454,656/664,302,844.60
  6. Step 6: Final answer
    x = 609,033,777.90

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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.