Home / 723,665,588.66-1,082,759,105.74-428,719,010.58

Finding the Fourth Proportional to 723,665,588.66, 1,082,759,105.74 and 428,719,010.58

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Solution

The fourth proportional to 723,665,588.66, 1,082,759,105.74 and 428,719,010.58 is: 641,455,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,665,588.66 : 1,082,759,105.74 = 428,719,010.58 : x
  2. Step 2: Convert to fraction form
    723,665,588.66/1,082,759,105.74 = 428,719,010.58/x
  3. Step 3: Cross multiply
    723,665,588.66x = 1,082,759,105.74 × 428,719,010.58
  4. Step 4: Simplify right side
    723,665,588.66x = 464,199,412,509,338,368
  5. Step 5: Solve for x
    x = 464,199,412,509,338,368/723,665,588.66
  6. Step 6: Final answer
    x = 641,455,694.15

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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.