Home / 831,799,692.71-1,245,718,855.41-481,307,110.48

Finding the Fourth Proportional to 831,799,692.71, 1,245,718,855.41 and 481,307,110.48

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Solution

The fourth proportional to 831,799,692.71, 1,245,718,855.41 and 481,307,110.48 is: 720,814,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,799,692.71 : 1,245,718,855.41 = 481,307,110.48 : x
  2. Step 2: Convert to fraction form
    831,799,692.71/1,245,718,855.41 = 481,307,110.48/x
  3. Step 3: Cross multiply
    831,799,692.71x = 1,245,718,855.41 × 481,307,110.48
  4. Step 4: Simplify right side
    831,799,692.71x = 599,573,342,768,063,744
  5. Step 5: Solve for x
    x = 599,573,342,768,063,744/831,799,692.71
  6. Step 6: Final answer
    x = 720,814,575.94

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1.5x scale

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.