Home / 490,792,088,843.19-736,261,743,453.81-172,382,166,143.13

Finding the Fourth Proportional to 490,792,088,843.19, 736,261,743,453.81 and 172,382,166,143.13

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Solution

The fourth proportional to 490,792,088,843.19, 736,261,743,453.81 and 172,382,166,143.13 is: 258,599,103,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,792,088,843.19 : 736,261,743,453.81 = 172,382,166,143.13 : x
  2. Step 2: Convert to fraction form
    490,792,088,843.19/736,261,743,453.81 = 172,382,166,143.13/x
  3. Step 3: Cross multiply
    490,792,088,843.19x = 736,261,743,453.81 × 172,382,166,143.13
  4. Step 4: Simplify right side
    490,792,088,843.19x = 126,918,394,184,885,241,643,008
  5. Step 5: Solve for x
    x = 126,918,394,184,885,241,643,008/490,792,088,843.19
  6. Step 6: Final answer
    x = 258,599,103,510.48

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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.