Home / 403,169,907.20-604,754,860.80-199,096,563.20

Finding the Fourth Proportional to 403,169,907.20, 604,754,860.80 and 199,096,563.20

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Solution

The fourth proportional to 403,169,907.20, 604,754,860.80 and 199,096,563.20 is: 298,644,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,169,907.20 : 604,754,860.80 = 199,096,563.20 : x
  2. Step 2: Convert to fraction form
    403,169,907.20/604,754,860.80 = 199,096,563.20/x
  3. Step 3: Cross multiply
    403,169,907.20x = 604,754,860.80 × 199,096,563.20
  4. Step 4: Simplify right side
    403,169,907.20x = 120,404,614,363,774,384
  5. Step 5: Solve for x
    x = 120,404,614,363,774,384/403,169,907.20
  6. Step 6: Final answer
    x = 298,644,844.80

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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.