Home / 403,398,179.20-605,097,268.80-346,002,551.20

Finding the Fourth Proportional to 403,398,179.20, 605,097,268.80 and 346,002,551.20

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Solution

The fourth proportional to 403,398,179.20, 605,097,268.80 and 346,002,551.20 is: 519,003,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398,179.20 : 605,097,268.80 = 346,002,551.20 : x
  2. Step 2: Convert to fraction form
    403,398,179.20/605,097,268.80 = 346,002,551.20/x
  3. Step 3: Cross multiply
    403,398,179.20x = 605,097,268.80 × 346,002,551.20
  4. Step 4: Simplify right side
    403,398,179.20x = 209,365,198,728,952,128
  5. Step 5: Solve for x
    x = 209,365,198,728,952,128/403,398,179.20
  6. Step 6: Final answer
    x = 519,003,826.80

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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.