Home / 831,799,693.21-1,245,718,856.17-481,307,110.98

Finding the Fourth Proportional to 831,799,693.21, 1,245,718,856.17 and 481,307,110.98

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Solution

The fourth proportional to 831,799,693.21, 1,245,718,856.17 and 481,307,110.98 is: 720,814,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,799,693.21 : 1,245,718,856.17 = 481,307,110.98 : x
  2. Step 2: Convert to fraction form
    831,799,693.21/1,245,718,856.17 = 481,307,110.98/x
  3. Step 3: Cross multiply
    831,799,693.21x = 1,245,718,856.17 × 481,307,110.98
  4. Step 4: Simplify right side
    831,799,693.21x = 599,573,343,754,086,272
  5. Step 5: Solve for x
    x = 599,573,343,754,086,272/831,799,693.21
  6. Step 6: Final answer
    x = 720,814,576.69

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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.