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Finding the Fourth Proportional to 80,448,553,225.60, 120,672,829,838.40 and 80,448,553,225.60

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Solution

The fourth proportional to 80,448,553,225.60, 120,672,829,838.40 and 80,448,553,225.60 is: 120,672,829,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448,553,225.60 : 120,672,829,838.40 = 80,448,553,225.60 : x
  2. Step 2: Convert to fraction form
    80,448,553,225.60/120,672,829,838.40 = 80,448,553,225.60/x
  3. Step 3: Cross multiply
    80,448,553,225.60x = 120,672,829,838.40 × 80,448,553,225.60
  4. Step 4: Simplify right side
    80,448,553,225.60x = 9,707,954,574,138,294,665,216
  5. Step 5: Solve for x
    x = 9,707,954,574,138,294,665,216/80,448,553,225.60
  6. Step 6: Final answer
    x = 120,672,829,838.40

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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.