Home / 370,653,758.27-511,500,782.83-203,392,818.02

Finding the Fourth Proportional to 370,653,758.27, 511,500,782.83 and 203,392,818.02

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Solution

The fourth proportional to 370,653,758.27, 511,500,782.83 and 203,392,818.02 is: 280,681,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,758.27 : 511,500,782.83 = 203,392,818.02 : x
  2. Step 2: Convert to fraction form
    370,653,758.27/511,500,782.83 = 203,392,818.02/x
  3. Step 3: Cross multiply
    370,653,758.27x = 511,500,782.83 × 203,392,818.02
  4. Step 4: Simplify right side
    370,653,758.27x = 104,035,585,638,950,160
  5. Step 5: Solve for x
    x = 104,035,585,638,950,160/370,653,758.27
  6. Step 6: Final answer
    x = 280,681,318.66

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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.