Home / 438,906,526.44-605,105,069.67-348,679,392.14

Finding the Fourth Proportional to 438,906,526.44, 605,105,069.67 and 348,679,392.14

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Solution

The fourth proportional to 438,906,526.44, 605,105,069.67 and 348,679,392.14 is: 480,712,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,906,526.44 : 605,105,069.67 = 348,679,392.14 : x
  2. Step 2: Convert to fraction form
    438,906,526.44/605,105,069.67 = 348,679,392.14/x
  3. Step 3: Cross multiply
    438,906,526.44x = 605,105,069.67 × 348,679,392.14
  4. Step 4: Simplify right side
    438,906,526.44x = 210,987,667,870,342,400
  5. Step 5: Solve for x
    x = 210,987,667,870,342,400/438,906,526.44
  6. Step 6: Final answer
    x = 480,712,076.86

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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.