Home / 490,792,088,985.84-736,261,743,667.68-172,382,166,285.49

Finding the Fourth Proportional to 490,792,088,985.84, 736,261,743,667.68 and 172,382,166,285.49

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Solution

The fourth proportional to 490,792,088,985.84, 736,261,743,667.68 and 172,382,166,285.49 is: 258,599,103,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,792,088,985.84 : 736,261,743,667.68 = 172,382,166,285.49 : x
  2. Step 2: Convert to fraction form
    490,792,088,985.84/736,261,743,667.68 = 172,382,166,285.49/x
  3. Step 3: Cross multiply
    490,792,088,985.84x = 736,261,743,667.68 × 172,382,166,285.49
  4. Step 4: Simplify right side
    490,792,088,985.84x = 126,918,394,326,566,834,274,304
  5. Step 5: Solve for x
    x = 126,918,394,326,566,834,274,304/490,792,088,985.84
  6. Step 6: Final answer
    x = 258,599,103,724.00

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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.