Home / 825,894,984.60-1,238,842,476.90-476,738,247.60

Finding the Fourth Proportional to 825,894,984.60, 1,238,842,476.90 and 476,738,247.60

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Solution

The fourth proportional to 825,894,984.60, 1,238,842,476.90 and 476,738,247.60 is: 715,107,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,894,984.60 : 1,238,842,476.90 = 476,738,247.60 : x
  2. Step 2: Convert to fraction form
    825,894,984.60/1,238,842,476.90 = 476,738,247.60/x
  3. Step 3: Cross multiply
    825,894,984.60x = 1,238,842,476.90 × 476,738,247.60
  4. Step 4: Simplify right side
    825,894,984.60x = 590,603,591,489,749,504
  5. Step 5: Solve for x
    x = 590,603,591,489,749,504/825,894,984.60
  6. Step 6: Final answer
    x = 715,107,371.40

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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.