Home / 754,119,435.36-1,040,668,509.42-436,593,071.64

Finding the Fourth Proportional to 754,119,435.36, 1,040,668,509.42 and 436,593,071.64

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Solution

The fourth proportional to 754,119,435.36, 1,040,668,509.42 and 436,593,071.64 is: 602,488,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,119,435.36 : 1,040,668,509.42 = 436,593,071.64 : x
  2. Step 2: Convert to fraction form
    754,119,435.36/1,040,668,509.42 = 436,593,071.64/x
  3. Step 3: Cross multiply
    754,119,435.36x = 1,040,668,509.42 × 436,593,071.64
  4. Step 4: Simplify right side
    754,119,435.36x = 454,348,661,086,698,048
  5. Step 5: Solve for x
    x = 454,348,661,086,698,048/754,119,435.36
  6. Step 6: Final answer
    x = 602,488,995.49

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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.