Home / 468,471,559.30-646,490,758.79-259,641,154.05

Finding the Fourth Proportional to 468,471,559.30, 646,490,758.79 and 259,641,154.05

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Solution

The fourth proportional to 468,471,559.30, 646,490,758.79 and 259,641,154.05 is: 358,304,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,471,559.30 : 646,490,758.79 = 259,641,154.05 : x
  2. Step 2: Convert to fraction form
    468,471,559.30/646,490,758.79 = 259,641,154.05/x
  3. Step 3: Cross multiply
    468,471,559.30x = 646,490,758.79 × 259,641,154.05
  4. Step 4: Simplify right side
    468,471,559.30x = 167,855,606,693,120,544
  5. Step 5: Solve for x
    x = 167,855,606,693,120,544/468,471,559.30
  6. Step 6: Final answer
    x = 358,304,796.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.