Home / 1,414,072,021.07-1,951,479,871.00-787,540,348.55

Finding the Fourth Proportional to 1,414,072,021.07, 1,951,479,871.00 and 787,540,348.55

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Solution

The fourth proportional to 1,414,072,021.07, 1,951,479,871.00 and 787,540,348.55 is: 1,086,839,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,072,021.07 : 1,951,479,871.00 = 787,540,348.55 : x
  2. Step 2: Convert to fraction form
    1,414,072,021.07/1,951,479,871.00 = 787,540,348.55/x
  3. Step 3: Cross multiply
    1,414,072,021.07x = 1,951,479,871.00 × 787,540,348.55
  4. Step 4: Simplify right side
    1,414,072,021.07x = 1,536,869,137,791,711,232
  5. Step 5: Solve for x
    x = 1,536,869,137,791,711,232/1,414,072,021.07
  6. Step 6: Final answer
    x = 1,086,839,365.25

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Double scale
Find fourth proportional to 1,414,072,022.07, 1,951,479,872.38 and 787,540,349.55
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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.