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Finding the Fourth Proportional to 10,865,049,918.90, 16,297,574,878.35 and 10,865,049,918.90

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Solution

The fourth proportional to 10,865,049,918.90, 16,297,574,878.35 and 10,865,049,918.90 is: 16,297,574,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,049,918.90 : 16,297,574,878.35 = 10,865,049,918.90 : x
  2. Step 2: Convert to fraction form
    10,865,049,918.90/16,297,574,878.35 = 10,865,049,918.90/x
  3. Step 3: Cross multiply
    10,865,049,918.90x = 16,297,574,878.35 × 10,865,049,918.90
  4. Step 4: Simplify right side
    10,865,049,918.90x = 177,073,964,610,283,339,776
  5. Step 5: Solve for x
    x = 177,073,964,610,283,339,776/10,865,049,918.90
  6. Step 6: Final answer
    x = 16,297,574,878.35

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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.