Home / 921,169,884.40-1,379,739,287.40-800,237,532.40

Finding the Fourth Proportional to 921,169,884.40, 1,379,739,287.40 and 800,237,532.40

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Solution

The fourth proportional to 921,169,884.40, 1,379,739,287.40 and 800,237,532.40 is: 1,198,605,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,169,884.40 : 1,379,739,287.40 = 800,237,532.40 : x
  2. Step 2: Convert to fraction form
    921,169,884.40/1,379,739,287.40 = 800,237,532.40/x
  3. Step 3: Cross multiply
    921,169,884.40x = 1,379,739,287.40 × 800,237,532.40
  4. Step 4: Simplify right side
    921,169,884.40x = 1,104,119,162,704,310,400
  5. Step 5: Solve for x
    x = 1,104,119,162,704,310,400/921,169,884.40
  6. Step 6: Final answer
    x = 1,198,605,361.95

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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.