Home / 370,653,759.79-511,500,784.81-203,392,819.49

Finding the Fourth Proportional to 370,653,759.79, 511,500,784.81 and 203,392,819.49

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Solution

The fourth proportional to 370,653,759.79, 511,500,784.81 and 203,392,819.49 is: 280,681,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,759.79 : 511,500,784.81 = 203,392,819.49 : x
  2. Step 2: Convert to fraction form
    370,653,759.79/511,500,784.81 = 203,392,819.49/x
  3. Step 3: Cross multiply
    370,653,759.79x = 511,500,784.81 × 203,392,819.49
  4. Step 4: Simplify right side
    370,653,759.79x = 104,035,586,794,099,056
  5. Step 5: Solve for x
    x = 104,035,586,794,099,056/370,653,759.79
  6. Step 6: Final answer
    x = 280,681,320.63

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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.