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Finding the Fourth Proportional to 629,857,409.60, 944,786,114.40 and 586,810,688.60

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Solution

The fourth proportional to 629,857,409.60, 944,786,114.40 and 586,810,688.60 is: 880,216,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,409.60 : 944,786,114.40 = 586,810,688.60 : x
  2. Step 2: Convert to fraction form
    629,857,409.60/944,786,114.40 = 586,810,688.60/x
  3. Step 3: Cross multiply
    629,857,409.60x = 944,786,114.40 × 586,810,688.60
  4. Step 4: Simplify right side
    629,857,409.60x = 554,410,590,370,782,400
  5. Step 5: Solve for x
    x = 554,410,590,370,782,400/629,857,409.60
  6. Step 6: Final answer
    x = 880,216,032.90

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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.