Home / 733,794,744.80-1,012,606,386.72-399,268,643.60

Finding the Fourth Proportional to 733,794,744.80, 1,012,606,386.72 and 399,268,643.60

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Solution

The fourth proportional to 733,794,744.80, 1,012,606,386.72 and 399,268,643.60 is: 550,974,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,794,744.80 : 1,012,606,386.72 = 399,268,643.60 : x
  2. Step 2: Convert to fraction form
    733,794,744.80/1,012,606,386.72 = 399,268,643.60/x
  3. Step 3: Cross multiply
    733,794,744.80x = 1,012,606,386.72 × 399,268,643.60
  4. Step 4: Simplify right side
    733,794,744.80x = 404,301,978,526,391,488
  5. Step 5: Solve for x
    x = 404,301,978,526,391,488/733,794,744.80
  6. Step 6: Final answer
    x = 550,974,208.24

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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.