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Finding the Fourth Proportional to 14,521,405,811.70, 21,782,108,717.55 and 14,521,405,811.70

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Solution

The fourth proportional to 14,521,405,811.70, 21,782,108,717.55 and 14,521,405,811.70 is: 21,782,108,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521,405,811.70 : 21,782,108,717.55 = 14,521,405,811.70 : x
  2. Step 2: Convert to fraction form
    14,521,405,811.70/21,782,108,717.55 = 14,521,405,811.70/x
  3. Step 3: Cross multiply
    14,521,405,811.70x = 21,782,108,717.55 × 14,521,405,811.70
  4. Step 4: Simplify right side
    14,521,405,811.70x = 316,306,840,122,111,819,776
  5. Step 5: Solve for x
    x = 316,306,840,122,111,819,776/14,521,405,811.70
  6. Step 6: Final answer
    x = 21,782,108,717.55

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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.