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Finding the Fourth Proportional to 12,757,746,801.60, 19,136,620,202.40 and 12,757,746,801.60

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Solution

The fourth proportional to 12,757,746,801.60, 19,136,620,202.40 and 12,757,746,801.60 is: 19,136,620,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,746,801.60 : 19,136,620,202.40 = 12,757,746,801.60 : x
  2. Step 2: Convert to fraction form
    12,757,746,801.60/19,136,620,202.40 = 12,757,746,801.60/x
  3. Step 3: Cross multiply
    12,757,746,801.60x = 19,136,620,202.40 × 12,757,746,801.60
  4. Step 4: Simplify right side
    12,757,746,801.60x = 244,140,155,180,602,556,416
  5. Step 5: Solve for x
    x = 244,140,155,180,602,556,416/12,757,746,801.60
  6. Step 6: Final answer
    x = 19,136,620,202.40

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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.