Home / 349,766,459.31-482,503,376.61-208,538,076.63

Finding the Fourth Proportional to 349,766,459.31, 482,503,376.61 and 208,538,076.63

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Solution

The fourth proportional to 349,766,459.31, 482,503,376.61 and 208,538,076.63 is: 287,678,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,766,459.31 : 482,503,376.61 = 208,538,076.63 : x
  2. Step 2: Convert to fraction form
    349,766,459.31/482,503,376.61 = 208,538,076.63/x
  3. Step 3: Cross multiply
    349,766,459.31x = 482,503,376.61 × 208,538,076.63
  4. Step 4: Simplify right side
    349,766,459.31x = 100,620,326,125,729,936
  5. Step 5: Solve for x
    x = 100,620,326,125,729,936/349,766,459.31
  6. Step 6: Final answer
    x = 287,678,602.24

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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.