Home / 786,806,849.64-1,180,194,070.26-262,214,040.80

Finding the Fourth Proportional to 786,806,849.64, 1,180,194,070.26 and 262,214,040.80

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Solution

The fourth proportional to 786,806,849.64, 1,180,194,070.26 and 262,214,040.80 is: 393,315,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,806,849.64 : 1,180,194,070.26 = 262,214,040.80 : x
  2. Step 2: Convert to fraction form
    786,806,849.64/1,180,194,070.26 = 262,214,040.80/x
  3. Step 3: Cross multiply
    786,806,849.64x = 1,180,194,070.26 × 262,214,040.80
  4. Step 4: Simplify right side
    786,806,849.64x = 309,463,456,091,073,728
  5. Step 5: Solve for x
    x = 309,463,456,091,073,728/786,806,849.64
  6. Step 6: Final answer
    x = 393,315,660.93

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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.