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Finding the Fourth Proportional to 453,990,873.60, 680,986,310.40 and 290,413,333.80

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Solution

The fourth proportional to 453,990,873.60, 680,986,310.40 and 290,413,333.80 is: 435,620,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,990,873.60 : 680,986,310.40 = 290,413,333.80 : x
  2. Step 2: Convert to fraction form
    453,990,873.60/680,986,310.40 = 290,413,333.80/x
  3. Step 3: Cross multiply
    453,990,873.60x = 680,986,310.40 × 290,413,333.80
  4. Step 4: Simplify right side
    453,990,873.60x = 197,767,504,675,425,600
  5. Step 5: Solve for x
    x = 197,767,504,675,425,600/453,990,873.60
  6. Step 6: Final answer
    x = 435,620,000.70

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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.