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Finding the Fourth Proportional to 629,858,409.60, 944,787,614.40 and 555,881,822.40

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Solution

The fourth proportional to 629,858,409.60, 944,787,614.40 and 555,881,822.40 is: 833,822,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,409.60 : 944,787,614.40 = 555,881,822.40 : x
  2. Step 2: Convert to fraction form
    629,858,409.60/944,787,614.40 = 555,881,822.40/x
  3. Step 3: Cross multiply
    629,858,409.60x = 944,787,614.40 × 555,881,822.40
  4. Step 4: Simplify right side
    629,858,409.60x = 525,190,260,873,620,416
  5. Step 5: Solve for x
    x = 525,190,260,873,620,416/629,858,409.60
  6. Step 6: Final answer
    x = 833,822,733.60

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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.