Home / 16,869,117,175.78-23,278,877,690.16-9,247,902,484.72

Finding the Fourth Proportional to 16,869,117,175.78, 23,278,877,690.16 and 9,247,902,484.72

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Solution

The fourth proportional to 16,869,117,175.78, 23,278,877,690.16 and 9,247,902,484.72 is: 12,761,829,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869,117,175.78 : 23,278,877,690.16 = 9,247,902,484.72 : x
  2. Step 2: Convert to fraction form
    16,869,117,175.78/23,278,877,690.16 = 9,247,902,484.72/x
  3. Step 3: Cross multiply
    16,869,117,175.78x = 23,278,877,690.16 × 9,247,902,484.72
  4. Step 4: Simplify right side
    16,869,117,175.78x = 215,280,790,832,323,624,960
  5. Step 5: Solve for x
    x = 215,280,790,832,323,624,960/16,869,117,175.78
  6. Step 6: Final answer
    x = 12,761,829,121.76

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Double scale
Find fourth proportional to 16,869,117,176.78, 23,278,877,691.54 and 9,247,902,485.72
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.