Home / 7,008,741,011.76-9,672,062,787-3,879,616,403.76

Finding the Fourth Proportional to 7,008,741,011.76, 9,672,062,787 and 3,879,616,403.76

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Solution

The fourth proportional to 7,008,741,011.76, 9,672,062,787 and 3,879,616,403.76 is: 5,353,870,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,741,011.76 : 9,672,062,787 = 3,879,616,403.76 : x
  2. Step 2: Convert to fraction form
    7,008,741,011.76/9,672,062,787 = 3,879,616,403.76/x
  3. Step 3: Cross multiply
    7,008,741,011.76x = 9,672,062,787 × 3,879,616,403.76
  4. Step 4: Simplify right side
    7,008,741,011.76x = 37,523,893,446,641,868,800
  5. Step 5: Solve for x
    x = 37,523,893,446,641,868,800/7,008,741,011.76
  6. Step 6: Final answer
    x = 5,353,870,742.79

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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.