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Finding the Fourth Proportional to 7,175,492,752.80, 10,763,239,129.20 and 7,175,492,752.80

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Solution

The fourth proportional to 7,175,492,752.80, 10,763,239,129.20 and 7,175,492,752.80 is: 10,763,239,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,492,752.80 : 10,763,239,129.20 = 7,175,492,752.80 : x
  2. Step 2: Convert to fraction form
    7,175,492,752.80/10,763,239,129.20 = 7,175,492,752.80/x
  3. Step 3: Cross multiply
    7,175,492,752.80x = 10,763,239,129.20 × 7,175,492,752.80
  4. Step 4: Simplify right side
    7,175,492,752.80x = 77,231,544,368,227,991,552
  5. Step 5: Solve for x
    x = 77,231,544,368,227,991,552/7,175,492,752.80
  6. Step 6: Final answer
    x = 10,763,239,129.20

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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.