Home / 7,680,479,680,961.60-11,521,396,793,769-2,166,943,969,856.40

Finding the Fourth Proportional to 7,680,479,680,961.60, 11,521,396,793,769 and 2,166,943,969,856.40

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Solution

The fourth proportional to 7,680,479,680,961.60, 11,521,396,793,769 and 2,166,943,969,856.40 is: 3,250,607,038,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,961.60 : 11,521,396,793,769 = 2,166,943,969,856.40 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,961.60/11,521,396,793,769 = 2,166,943,969,856.40/x
  3. Step 3: Cross multiply
    7,680,479,680,961.60x = 11,521,396,793,769 × 2,166,943,969,856.40
  4. Step 4: Simplify right side
    7,680,479,680,961.60x = 24,966,221,306,580,595,317,407,744
  5. Step 5: Solve for x
    x = 24,966,221,306,580,595,317,407,744/7,680,479,680,961.60
  6. Step 6: Final answer
    x = 3,250,607,038,056.09

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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.