Home / 425,505,932.11-637,365,069.33-269,979,684.85

Finding the Fourth Proportional to 425,505,932.11, 637,365,069.33 and 269,979,684.85

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Solution

The fourth proportional to 425,505,932.11, 637,365,069.33 and 269,979,684.85 is: 404,402,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,505,932.11 : 637,365,069.33 = 269,979,684.85 : x
  2. Step 2: Convert to fraction form
    425,505,932.11/637,365,069.33 = 269,979,684.85/x
  3. Step 3: Cross multiply
    425,505,932.11x = 637,365,069.33 × 269,979,684.85
  4. Step 4: Simplify right side
    425,505,932.11x = 172,075,620,547,575,104
  5. Step 5: Solve for x
    x = 172,075,620,547,575,104/425,505,932.11
  6. Step 6: Final answer
    x = 404,402,400.91

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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.