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Finding the Fourth Proportional to 700,709,358.81, 966,523,286.67 and 449,415,717.41

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Solution

The fourth proportional to 700,709,358.81, 966,523,286.67 and 449,415,717.41 is: 619,901,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,709,358.81 : 966,523,286.67 = 449,415,717.41 : x
  2. Step 2: Convert to fraction form
    700,709,358.81/966,523,286.67 = 449,415,717.41/x
  3. Step 3: Cross multiply
    700,709,358.81x = 966,523,286.67 × 449,415,717.41
  4. Step 4: Simplify right side
    700,709,358.81x = 434,370,756,265,751,168
  5. Step 5: Solve for x
    x = 434,370,756,265,751,168/700,709,358.81
  6. Step 6: Final answer
    x = 619,901,462.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.