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Finding the Fourth Proportional to 532,397,998.80, 798,596,998.20 and 187,348,885.20

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Solution

The fourth proportional to 532,397,998.80, 798,596,998.20 and 187,348,885.20 is: 281,023,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,397,998.80 : 798,596,998.20 = 187,348,885.20 : x
  2. Step 2: Convert to fraction form
    532,397,998.80/798,596,998.20 = 187,348,885.20/x
  3. Step 3: Cross multiply
    532,397,998.80x = 798,596,998.20 × 187,348,885.20
  4. Step 4: Simplify right side
    532,397,998.80x = 149,616,257,336,836,416
  5. Step 5: Solve for x
    x = 149,616,257,336,836,416/532,397,998.80
  6. Step 6: Final answer
    x = 281,023,327.80

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1.5x scale

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.