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Finding the Fourth Proportional to 508,965,367.60, 763,448,051.40 and 250,685,041.60

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Solution

The fourth proportional to 508,965,367.60, 763,448,051.40 and 250,685,041.60 is: 376,027,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,965,367.60 : 763,448,051.40 = 250,685,041.60 : x
  2. Step 2: Convert to fraction form
    508,965,367.60/763,448,051.40 = 250,685,041.60/x
  3. Step 3: Cross multiply
    508,965,367.60x = 763,448,051.40 × 250,685,041.60
  4. Step 4: Simplify right side
    508,965,367.60x = 191,385,006,524,647,936
  5. Step 5: Solve for x
    x = 191,385,006,524,647,936/508,965,367.60
  6. Step 6: Final answer
    x = 376,027,562.40

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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.