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Finding the Fourth Proportional to 13,648,521,855.60, 20,472,782,783.40 and 13,648,521,855.60

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Solution

The fourth proportional to 13,648,521,855.60, 20,472,782,783.40 and 13,648,521,855.60 is: 20,472,782,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648,521,855.60 : 20,472,782,783.40 = 13,648,521,855.60 : x
  2. Step 2: Convert to fraction form
    13,648,521,855.60/20,472,782,783.40 = 13,648,521,855.60/x
  3. Step 3: Cross multiply
    13,648,521,855.60x = 20,472,782,783.40 × 13,648,521,855.60
  4. Step 4: Simplify right side
    13,648,521,855.60x = 279,423,223,264,186,335,232
  5. Step 5: Solve for x
    x = 279,423,223,264,186,335,232/13,648,521,855.60
  6. Step 6: Final answer
    x = 20,472,782,783.40

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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.