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Finding the Fourth Proportional to 14,207,609,145.80, 21,311,413,718.70 and 14,207,609,145.80

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Solution

The fourth proportional to 14,207,609,145.80, 21,311,413,718.70 and 14,207,609,145.80 is: 21,311,413,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207,609,145.80 : 21,311,413,718.70 = 14,207,609,145.80 : x
  2. Step 2: Convert to fraction form
    14,207,609,145.80/21,311,413,718.70 = 14,207,609,145.80/x
  3. Step 3: Cross multiply
    14,207,609,145.80x = 21,311,413,718.70 × 14,207,609,145.80
  4. Step 4: Simplify right side
    14,207,609,145.80x = 302,784,236,459,729,682,432
  5. Step 5: Solve for x
    x = 302,784,236,459,729,682,432/14,207,609,145.80
  6. Step 6: Final answer
    x = 21,311,413,718.70

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Double scale
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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.