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Finding the Fourth Proportional to 15,971,929,205.40, 23,957,893,808.10 and 15,971,929,205.40

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Solution

The fourth proportional to 15,971,929,205.40, 23,957,893,808.10 and 15,971,929,205.40 is: 23,957,893,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971,929,205.40 : 23,957,893,808.10 = 15,971,929,205.40 : x
  2. Step 2: Convert to fraction form
    15,971,929,205.40/23,957,893,808.10 = 15,971,929,205.40/x
  3. Step 3: Cross multiply
    15,971,929,205.40x = 23,957,893,808.10 × 15,971,929,205.40
  4. Step 4: Simplify right side
    15,971,929,205.40x = 382,653,783,813,464,195,072
  5. Step 5: Solve for x
    x = 382,653,783,813,464,195,072/15,971,929,205.40
  6. Step 6: Final answer
    x = 23,957,893,808.10

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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.