Home / 438,906,473.76-605,104,997.08-348,679,339.38

Finding the Fourth Proportional to 438,906,473.76, 605,104,997.08 and 348,679,339.38

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Solution

The fourth proportional to 438,906,473.76, 605,104,997.08 and 348,679,339.38 is: 480,712,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,906,473.76 : 605,104,997.08 = 348,679,339.38 : x
  2. Step 2: Convert to fraction form
    438,906,473.76/605,104,997.08 = 348,679,339.38/x
  3. Step 3: Cross multiply
    438,906,473.76x = 605,104,997.08 × 348,679,339.38
  4. Step 4: Simplify right side
    438,906,473.76x = 210,987,610,634,135,072
  5. Step 5: Solve for x
    x = 210,987,610,634,135,072/438,906,473.76
  6. Step 6: Final answer
    x = 480,712,004.15

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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.