Home / 370,545,151.30-511,319,741.38-211,743,760.82

Finding the Fourth Proportional to 370,545,151.30, 511,319,741.38 and 211,743,760.82

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Solution

The fourth proportional to 370,545,151.30, 511,319,741.38 and 211,743,760.82 is: 292,187,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,545,151.30 : 511,319,741.38 = 211,743,760.82 : x
  2. Step 2: Convert to fraction form
    370,545,151.30/511,319,741.38 = 211,743,760.82/x
  3. Step 3: Cross multiply
    370,545,151.30x = 511,319,741.38 × 211,743,760.82
  4. Step 4: Simplify right side
    370,545,151.30x = 108,268,765,020,142,464
  5. Step 5: Solve for x
    x = 108,268,765,020,142,464/370,545,151.30
  6. Step 6: Final answer
    x = 292,187,779.65

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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.