Home / 403,398,400.20-605,097,600.30-346,002,772.20

Finding the Fourth Proportional to 403,398,400.20, 605,097,600.30 and 346,002,772.20

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Solution

The fourth proportional to 403,398,400.20, 605,097,600.30 and 346,002,772.20 is: 519,004,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398,400.20 : 605,097,600.30 = 346,002,772.20 : x
  2. Step 2: Convert to fraction form
    403,398,400.20/605,097,600.30 = 346,002,772.20/x
  3. Step 3: Cross multiply
    403,398,400.20x = 605,097,600.30 × 346,002,772.20
  4. Step 4: Simplify right side
    403,398,400.20x = 209,365,447,155,367,520
  5. Step 5: Solve for x
    x = 209,365,447,155,367,520/403,398,400.20
  6. Step 6: Final answer
    x = 519,004,158.30

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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.