Home / 681,258,298.18-940,136,863.46-367,992,650.55

Finding the Fourth Proportional to 681,258,298.18, 940,136,863.46 and 367,992,650.55

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Solution

The fourth proportional to 681,258,298.18, 940,136,863.46 and 367,992,650.55 is: 507,830,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,298.18 : 940,136,863.46 = 367,992,650.55 : x
  2. Step 2: Convert to fraction form
    681,258,298.18/940,136,863.46 = 367,992,650.55/x
  3. Step 3: Cross multiply
    681,258,298.18x = 940,136,863.46 × 367,992,650.55
  4. Step 4: Simplify right side
    681,258,298.18x = 345,963,456,264,408,896
  5. Step 5: Solve for x
    x = 345,963,456,264,408,896/681,258,298.18
  6. Step 6: Final answer
    x = 507,830,080.29

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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.