Home / 315,212,114.40-471,542,713.20-276,948,362.40

Finding the Fourth Proportional to 315,212,114.40, 471,542,713.20 and 276,948,362.40

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Solution

The fourth proportional to 315,212,114.40, 471,542,713.20 and 276,948,362.40 is: 414,301,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,212,114.40 : 471,542,713.20 = 276,948,362.40 : x
  2. Step 2: Convert to fraction form
    315,212,114.40/471,542,713.20 = 276,948,362.40/x
  3. Step 3: Cross multiply
    315,212,114.40x = 471,542,713.20 × 276,948,362.40
  4. Step 4: Simplify right side
    315,212,114.40x = 130,592,982,222,392,848
  5. Step 5: Solve for x
    x = 130,592,982,222,392,848/315,212,114.40
  6. Step 6: Final answer
    x = 414,301,913.72

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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.