Home / 1,310,242,565.75-1,966,339,956.74-961,390,093.05

Finding the Fourth Proportional to 1,310,242,565.75, 1,966,339,956.74 and 961,390,093.05

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Solution

The fourth proportional to 1,310,242,565.75, 1,966,339,956.74 and 961,390,093.05 is: 1,442,801,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,242,565.75 : 1,966,339,956.74 = 961,390,093.05 : x
  2. Step 2: Convert to fraction form
    1,310,242,565.75/1,966,339,956.74 = 961,390,093.05/x
  3. Step 3: Cross multiply
    1,310,242,565.75x = 1,966,339,956.74 × 961,390,093.05
  4. Step 4: Simplify right side
    1,310,242,565.75x = 1,890,419,753,973,394,432
  5. Step 5: Solve for x
    x = 1,890,419,753,973,394,432/1,310,242,565.75
  6. Step 6: Final answer
    x = 1,442,801,358.62

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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.