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Finding the Fourth Proportional to 131,909,502,000.45, 197,864,253,000.70 and 131,909,502,000.45

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Solution

The fourth proportional to 131,909,502,000.45, 197,864,253,000.70 and 131,909,502,000.45 is: 197,864,253,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909,502,000.45 : 197,864,253,000.70 = 131,909,502,000.45 : x
  2. Step 2: Convert to fraction form
    131,909,502,000.45/197,864,253,000.70 = 131,909,502,000.45/x
  3. Step 3: Cross multiply
    131,909,502,000.45x = 197,864,253,000.70 × 131,909,502,000.45
  4. Step 4: Simplify right side
    131,909,502,000.45x = 26,100,175,077,013,381,447,680
  5. Step 5: Solve for x
    x = 26,100,175,077,013,381,447,680/131,909,502,000.45
  6. Step 6: Final answer
    x = 197,864,253,000.70

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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.