Home / 682,877,722.94-942,394,098.36-418,508,630.40

Finding the Fourth Proportional to 682,877,722.94, 942,394,098.36 and 418,508,630.40

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Solution

The fourth proportional to 682,877,722.94, 942,394,098.36 and 418,508,630.40 is: 577,555,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,877,722.94 : 942,394,098.36 = 418,508,630.40 : x
  2. Step 2: Convert to fraction form
    682,877,722.94/942,394,098.36 = 418,508,630.40/x
  3. Step 3: Cross multiply
    682,877,722.94x = 942,394,098.36 × 418,508,630.40
  4. Step 4: Simplify right side
    682,877,722.94x = 394,400,063,401,686,464
  5. Step 5: Solve for x
    x = 394,400,063,401,686,464/682,877,722.94
  6. Step 6: Final answer
    x = 577,555,908.11

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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.