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Finding the Fourth Proportional to 12,413,136,465.70, 17,421,926,698.70 and 12,413,136,465.70

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Solution

The fourth proportional to 12,413,136,465.70, 17,421,926,698.70 and 12,413,136,465.70 is: 17,421,926,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,136,465.70 : 17,421,926,698.70 = 12,413,136,465.70 : x
  2. Step 2: Convert to fraction form
    12,413,136,465.70/17,421,926,698.70 = 12,413,136,465.70/x
  3. Step 3: Cross multiply
    12,413,136,465.70x = 17,421,926,698.70 × 12,413,136,465.70
  4. Step 4: Simplify right side
    12,413,136,465.70x = 216,260,753,606,385,401,856
  5. Step 5: Solve for x
    x = 216,260,753,606,385,401,856/12,413,136,465.70
  6. Step 6: Final answer
    x = 17,421,926,698.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.