Home / 290,812,708.88-401,322,839.98-158,653,304.92

Finding the Fourth Proportional to 290,812,708.88, 401,322,839.98 and 158,653,304.92

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Solution

The fourth proportional to 290,812,708.88, 401,322,839.98 and 158,653,304.92 is: 218,942,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,812,708.88 : 401,322,839.98 = 158,653,304.92 : x
  2. Step 2: Convert to fraction form
    290,812,708.88/401,322,839.98 = 158,653,304.92/x
  3. Step 3: Cross multiply
    290,812,708.88x = 401,322,839.98 × 158,653,304.92
  4. Step 4: Simplify right side
    290,812,708.88x = 63,671,194,902,707,304
  5. Step 5: Solve for x
    x = 63,671,194,902,707,304/290,812,708.88
  6. Step 6: Final answer
    x = 218,942,270.95

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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.