Home / 725,668,758.46-1,001,507,903.94-412,450,054.78

Finding the Fourth Proportional to 725,668,758.46, 1,001,507,903.94 and 412,450,054.78

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Solution

The fourth proportional to 725,668,758.46, 1,001,507,903.94 and 412,450,054.78 is: 569,229,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,668,758.46 : 1,001,507,903.94 = 412,450,054.78 : x
  2. Step 2: Convert to fraction form
    725,668,758.46/1,001,507,903.94 = 412,450,054.78/x
  3. Step 3: Cross multiply
    725,668,758.46x = 1,001,507,903.94 × 412,450,054.78
  4. Step 4: Simplify right side
    725,668,758.46x = 413,071,989,842,656,000
  5. Step 5: Solve for x
    x = 413,071,989,842,656,000/725,668,758.46
  6. Step 6: Final answer
    x = 569,229,397.06

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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.