Home / 370,493,644.31-511,276,405.02-211,721,960.77

Finding the Fourth Proportional to 370,493,644.31, 511,276,405.02 and 211,721,960.77

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Solution

The fourth proportional to 370,493,644.31, 511,276,405.02 and 211,721,960.77 is: 292,173,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,493,644.31 : 511,276,405.02 = 211,721,960.77 : x
  2. Step 2: Convert to fraction form
    370,493,644.31/511,276,405.02 = 211,721,960.77/x
  3. Step 3: Cross multiply
    370,493,644.31x = 511,276,405.02 × 211,721,960.77
  4. Step 4: Simplify right side
    370,493,644.31x = 108,248,442,964,198,928
  5. Step 5: Solve for x
    x = 108,248,442,964,198,928/370,493,644.31
  6. Step 6: Final answer
    x = 292,173,549.07

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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.