Home / 667,946,195.08-921,734,520.14-370,585,272.56

Finding the Fourth Proportional to 667,946,195.08, 921,734,520.14 and 370,585,272.56

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Solution

The fourth proportional to 667,946,195.08, 921,734,520.14 and 370,585,272.56 is: 511,390,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,946,195.08 : 921,734,520.14 = 370,585,272.56 : x
  2. Step 2: Convert to fraction form
    667,946,195.08/921,734,520.14 = 370,585,272.56/x
  3. Step 3: Cross multiply
    667,946,195.08x = 921,734,520.14 × 370,585,272.56
  4. Step 4: Simplify right side
    667,946,195.08x = 341,581,238,374,042,688
  5. Step 5: Solve for x
    x = 341,581,238,374,042,688/667,946,195.08
  6. Step 6: Final answer
    x = 511,390,349.84

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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.