Home / 348,997,962.40-481,620,394.96-192,371,078.88

Finding the Fourth Proportional to 348,997,962.40, 481,620,394.96 and 192,371,078.88

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Solution

The fourth proportional to 348,997,962.40, 481,620,394.96 and 192,371,078.88 is: 265,473,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,997,962.40 : 481,620,394.96 = 192,371,078.88 : x
  2. Step 2: Convert to fraction form
    348,997,962.40/481,620,394.96 = 192,371,078.88/x
  3. Step 3: Cross multiply
    348,997,962.40x = 481,620,394.96 × 192,371,078.88
  4. Step 4: Simplify right side
    348,997,962.40x = 92,649,834,989,066,912
  5. Step 5: Solve for x
    x = 92,649,834,989,066,912/348,997,962.40
  6. Step 6: Final answer
    x = 265,473,856.50

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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.