Home / 728,066,521.70-1,092,099,782.55-268,334,627.30

Finding the Fourth Proportional to 728,066,521.70, 1,092,099,782.55 and 268,334,627.30

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Solution

The fourth proportional to 728,066,521.70, 1,092,099,782.55 and 268,334,627.30 is: 402,501,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,066,521.70 : 1,092,099,782.55 = 268,334,627.30 : x
  2. Step 2: Convert to fraction form
    728,066,521.70/1,092,099,782.55 = 268,334,627.30/x
  3. Step 3: Cross multiply
    728,066,521.70x = 1,092,099,782.55 × 268,334,627.30
  4. Step 4: Simplify right side
    728,066,521.70x = 293,048,188,124,965,312
  5. Step 5: Solve for x
    x = 293,048,188,124,965,312/728,066,521.70
  6. Step 6: Final answer
    x = 402,501,940.95

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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.