Home / 681,258,224.59-940,136,761.80-367,992,576.96

Finding the Fourth Proportional to 681,258,224.59, 940,136,761.80 and 367,992,576.96

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Solution

The fourth proportional to 681,258,224.59, 940,136,761.80 and 367,992,576.96 is: 507,829,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,224.59 : 940,136,761.80 = 367,992,576.96 : x
  2. Step 2: Convert to fraction form
    681,258,224.59/940,136,761.80 = 367,992,576.96/x
  3. Step 3: Cross multiply
    681,258,224.59x = 940,136,761.80 × 367,992,576.96
  4. Step 4: Simplify right side
    681,258,224.59x = 345,963,349,669,611,648
  5. Step 5: Solve for x
    x = 345,963,349,669,611,648/681,258,224.59
  6. Step 6: Final answer
    x = 507,829,978.68

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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.