Home / 370,653,764.17-511,500,790.92-203,392,823.89

Finding the Fourth Proportional to 370,653,764.17, 511,500,790.92 and 203,392,823.89

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Solution

The fourth proportional to 370,653,764.17, 511,500,790.92 and 203,392,823.89 is: 280,681,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,764.17 : 511,500,790.92 = 203,392,823.89 : x
  2. Step 2: Convert to fraction form
    370,653,764.17/511,500,790.92 = 203,392,823.89/x
  3. Step 3: Cross multiply
    370,653,764.17x = 511,500,790.92 × 203,392,823.89
  4. Step 4: Simplify right side
    370,653,764.17x = 104,035,590,287,187,264
  5. Step 5: Solve for x
    x = 104,035,590,287,187,264/370,653,764.17
  6. Step 6: Final answer
    x = 280,681,326.74

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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.