Home / 1,028,253,338.32-1,542,376,643.28-373,203,491.44

Finding the Fourth Proportional to 1,028,253,338.32, 1,542,376,643.28 and 373,203,491.44

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Solution

The fourth proportional to 1,028,253,338.32, 1,542,376,643.28 and 373,203,491.44 is: 559,804,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,253,338.32 : 1,542,376,643.28 = 373,203,491.44 : x
  2. Step 2: Convert to fraction form
    1,028,253,338.32/1,542,376,643.28 = 373,203,491.44/x
  3. Step 3: Cross multiply
    1,028,253,338.32x = 1,542,376,643.28 × 373,203,491.44
  4. Step 4: Simplify right side
    1,028,253,338.32x = 575,620,348,387,603,392
  5. Step 5: Solve for x
    x = 575,620,348,387,603,392/1,028,253,338.32
  6. Step 6: Final answer
    x = 559,804,016.13

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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.