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Finding the Fourth Proportional to 21,353,479,207.60, 32,030,218,811.40 and 21,353,479,207.60

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Solution

The fourth proportional to 21,353,479,207.60, 32,030,218,811.40 and 21,353,479,207.60 is: 32,030,218,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,479,207.60 : 32,030,218,811.40 = 21,353,479,207.60 : x
  2. Step 2: Convert to fraction form
    21,353,479,207.60/32,030,218,811.40 = 21,353,479,207.60/x
  3. Step 3: Cross multiply
    21,353,479,207.60x = 32,030,218,811.40 × 21,353,479,207.60
  4. Step 4: Simplify right side
    21,353,479,207.60x = 683,956,611,404,108,267,520
  5. Step 5: Solve for x
    x = 683,956,611,404,108,267,520/21,353,479,207.60
  6. Step 6: Final answer
    x = 32,030,218,811.40

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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.