Home / 505,779,426.27-697,990,942.76-282,770,504.10

Finding the Fourth Proportional to 505,779,426.27, 697,990,942.76 and 282,770,504.10

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Solution

The fourth proportional to 505,779,426.27, 697,990,942.76 and 282,770,504.10 is: 390,231,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,779,426.27 : 697,990,942.76 = 282,770,504.10 : x
  2. Step 2: Convert to fraction form
    505,779,426.27/697,990,942.76 = 282,770,504.10/x
  3. Step 3: Cross multiply
    505,779,426.27x = 697,990,942.76 × 282,770,504.10
  4. Step 4: Simplify right side
    505,779,426.27x = 197,371,250,741,479,456
  5. Step 5: Solve for x
    x = 197,371,250,741,479,456/505,779,426.27
  6. Step 6: Final answer
    x = 390,231,868.85

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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.