Home / 460,351,060.91-690,061,303.47-198,206,604.80

Finding the Fourth Proportional to 460,351,060.91, 690,061,303.47 and 198,206,604.80

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Solution

The fourth proportional to 460,351,060.91, 690,061,303.47 and 198,206,604.80 is: 297,109,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351,060.91 : 690,061,303.47 = 198,206,604.80 : x
  2. Step 2: Convert to fraction form
    460,351,060.91/690,061,303.47 = 198,206,604.80/x
  3. Step 3: Cross multiply
    460,351,060.91x = 690,061,303.47 × 198,206,604.80
  4. Step 4: Simplify right side
    460,351,060.91x = 136,774,708,062,182,736
  5. Step 5: Solve for x
    x = 136,774,708,062,182,736/460,351,060.91
  6. Step 6: Final answer
    x = 297,109,575.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.