Home / 370,653,776.48-511,500,807.92-203,392,836.20

Finding the Fourth Proportional to 370,653,776.48, 511,500,807.92 and 203,392,836.20

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Solution

The fourth proportional to 370,653,776.48, 511,500,807.92 and 203,392,836.20 is: 280,681,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,776.48 : 511,500,807.92 = 203,392,836.20 : x
  2. Step 2: Convert to fraction form
    370,653,776.48/511,500,807.92 = 203,392,836.20/x
  3. Step 3: Cross multiply
    370,653,776.48x = 511,500,807.92 × 203,392,836.20
  4. Step 4: Simplify right side
    370,653,776.48x = 104,035,600,037,865,760
  5. Step 5: Solve for x
    x = 104,035,600,037,865,760/370,653,776.48
  6. Step 6: Final answer
    x = 280,681,343.73

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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.