Home / 637,030,912.34-879,129,932.92-354,773,351.61

Finding the Fourth Proportional to 637,030,912.34, 879,129,932.92 and 354,773,351.61

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Solution

The fourth proportional to 637,030,912.34, 879,129,932.92 and 354,773,351.61 is: 489,602,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,030,912.34 : 879,129,932.92 = 354,773,351.61 : x
  2. Step 2: Convert to fraction form
    637,030,912.34/879,129,932.92 = 354,773,351.61/x
  3. Step 3: Cross multiply
    637,030,912.34x = 879,129,932.92 × 354,773,351.61
  4. Step 4: Simplify right side
    637,030,912.34x = 311,891,872,802,702,848
  5. Step 5: Solve for x
    x = 311,891,872,802,702,848/637,030,912.34
  6. Step 6: Final answer
    x = 489,602,414.52

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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.