Home / 927,148,034,648.50-1,390,722,051,972.90-890,578,091,403.75

Finding the Fourth Proportional to 927,148,034,648.50, 1,390,722,051,972.90 and 890,578,091,403.75

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Solution

The fourth proportional to 927,148,034,648.50, 1,390,722,051,972.90 and 890,578,091,403.75 is: 1,335,867,137,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,034,648.50 : 1,390,722,051,972.90 = 890,578,091,403.75 : x
  2. Step 2: Convert to fraction form
    927,148,034,648.50/1,390,722,051,972.90 = 890,578,091,403.75/x
  3. Step 3: Cross multiply
    927,148,034,648.50x = 1,390,722,051,972.90 × 890,578,091,403.75
  4. Step 4: Simplify right side
    927,148,034,648.50x = 1,238,546,590,719,131,900,706,816
  5. Step 5: Solve for x
    x = 1,238,546,590,719,131,900,706,816/927,148,034,648.50
  6. Step 6: Final answer
    x = 1,335,867,137,105.77

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Double scale
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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.