Home / 66,461,226,434.80-99,691,839,652.20-19,297,609,154.80

Finding the Fourth Proportional to 66,461,226,434.80, 99,691,839,652.20 and 19,297,609,154.80

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Solution

The fourth proportional to 66,461,226,434.80, 99,691,839,652.20 and 19,297,609,154.80 is: 28,946,413,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,226,434.80 : 99,691,839,652.20 = 19,297,609,154.80 : x
  2. Step 2: Convert to fraction form
    66,461,226,434.80/99,691,839,652.20 = 19,297,609,154.80/x
  3. Step 3: Cross multiply
    66,461,226,434.80x = 99,691,839,652.20 × 19,297,609,154.80
  4. Step 4: Simplify right side
    66,461,226,434.80x = 1,923,814,157,531,148,189,696
  5. Step 5: Solve for x
    x = 1,923,814,157,531,148,189,696/66,461,226,434.80
  6. Step 6: Final answer
    x = 28,946,413,732.20

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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.