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Finding the Fourth Proportional to 965,322,597.60, 1,447,983,896.40 and 351,926,834.40

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Solution

The fourth proportional to 965,322,597.60, 1,447,983,896.40 and 351,926,834.40 is: 527,890,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,322,597.60 : 1,447,983,896.40 = 351,926,834.40 : x
  2. Step 2: Convert to fraction form
    965,322,597.60/1,447,983,896.40 = 351,926,834.40/x
  3. Step 3: Cross multiply
    965,322,597.60x = 1,447,983,896.40 × 351,926,834.40
  4. Step 4: Simplify right side
    965,322,597.60x = 509,584,388,922,229,568
  5. Step 5: Solve for x
    x = 509,584,388,922,229,568/965,322,597.60
  6. Step 6: Final answer
    x = 527,890,251.60

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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.