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Finding the Fourth Proportional to 469,865,101.20, 704,797,651.80 and 400,328,998.80

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Solution

The fourth proportional to 469,865,101.20, 704,797,651.80 and 400,328,998.80 is: 600,493,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,865,101.20 : 704,797,651.80 = 400,328,998.80 : x
  2. Step 2: Convert to fraction form
    469,865,101.20/704,797,651.80 = 400,328,998.80/x
  3. Step 3: Cross multiply
    469,865,101.20x = 704,797,651.80 × 400,328,998.80
  4. Step 4: Simplify right side
    469,865,101.20x = 282,150,938,301,684,992
  5. Step 5: Solve for x
    x = 282,150,938,301,684,992/469,865,101.20
  6. Step 6: Final answer
    x = 600,493,498.20

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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.