Home / 426,351,902,579.94-639,532,766,731.18-154,096,828,093.72

Finding the Fourth Proportional to 426,351,902,579.94, 639,532,766,731.18 and 154,096,828,093.72

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Solution

The fourth proportional to 426,351,902,579.94, 639,532,766,731.18 and 154,096,828,093.72 is: 231,147,017,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,351,902,579.94 : 639,532,766,731.18 = 154,096,828,093.72 : x
  2. Step 2: Convert to fraction form
    426,351,902,579.94/639,532,766,731.18 = 154,096,828,093.72/x
  3. Step 3: Cross multiply
    426,351,902,579.94x = 639,532,766,731.18 × 154,096,828,093.72
  4. Step 4: Simplify right side
    426,351,902,579.94x = 98,549,970,815,275,778,441,216
  5. Step 5: Solve for x
    x = 98,549,970,815,275,778,441,216/426,351,902,579.94
  6. Step 6: Final answer
    x = 231,147,017,801.33

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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.