Home / 863,006,704.32-1,191,273,121.44-565,668,108

Finding the Fourth Proportional to 863,006,704.32, 1,191,273,121.44 and 565,668,108

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Solution

The fourth proportional to 863,006,704.32, 1,191,273,121.44 and 565,668,108 is: 780,834,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,006,704.32 : 1,191,273,121.44 = 565,668,108 : x
  2. Step 2: Convert to fraction form
    863,006,704.32/1,191,273,121.44 = 565,668,108/x
  3. Step 3: Cross multiply
    863,006,704.32x = 1,191,273,121.44 × 565,668,108
  4. Step 4: Simplify right side
    863,006,704.32x = 673,865,212,716,219,008
  5. Step 5: Solve for x
    x = 673,865,212,716,219,008/863,006,704.32
  6. Step 6: Final answer
    x = 780,834,273.18

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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.