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Finding the Fourth Proportional to 577,397,894.58, 796,824,762.21 and 326,539,799.51

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Solution

The fourth proportional to 577,397,894.58, 796,824,762.21 and 326,539,799.51 is: 450,633,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,397,894.58 : 796,824,762.21 = 326,539,799.51 : x
  2. Step 2: Convert to fraction form
    577,397,894.58/796,824,762.21 = 326,539,799.51/x
  3. Step 3: Cross multiply
    577,397,894.58x = 796,824,762.21 × 326,539,799.51
  4. Step 4: Simplify right side
    577,397,894.58x = 260,194,998,096,656,832
  5. Step 5: Solve for x
    x = 260,194,998,096,656,832/577,397,894.58
  6. Step 6: Final answer
    x = 450,633,783.98

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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.