Home / 786,806,817.50-1,180,194,022.39-262,214,008.87

Finding the Fourth Proportional to 786,806,817.50, 1,180,194,022.39 and 262,214,008.87

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Solution

The fourth proportional to 786,806,817.50, 1,180,194,022.39 and 262,214,008.87 is: 393,315,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,806,817.50 : 1,180,194,022.39 = 262,214,008.87 : x
  2. Step 2: Convert to fraction form
    786,806,817.50/1,180,194,022.39 = 262,214,008.87/x
  3. Step 3: Cross multiply
    786,806,817.50x = 1,180,194,022.39 × 262,214,008.87
  4. Step 4: Simplify right side
    786,806,817.50x = 309,463,405,855,292,480
  5. Step 5: Solve for x
    x = 309,463,405,855,292,480/786,806,817.50
  6. Step 6: Final answer
    x = 393,315,613.15

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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.