Home / 314,930,593.95-472,395,890.93-271,848,443.55

Finding the Fourth Proportional to 314,930,593.95, 472,395,890.93 and 271,848,443.55

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Solution

The fourth proportional to 314,930,593.95, 472,395,890.93 and 271,848,443.55 is: 407,772,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,593.95 : 472,395,890.93 = 271,848,443.55 : x
  2. Step 2: Convert to fraction form
    314,930,593.95/472,395,890.93 = 271,848,443.55/x
  3. Step 3: Cross multiply
    314,930,593.95x = 472,395,890.93 × 271,848,443.55
  4. Step 4: Simplify right side
    314,930,593.95x = 128,420,087,687,376,832
  5. Step 5: Solve for x
    x = 128,420,087,687,376,832/314,930,593.95
  6. Step 6: Final answer
    x = 407,772,665.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.