Home / 3,953,188,033.92-5,455,409,846.70-2,144,699,809.59

Finding the Fourth Proportional to 3,953,188,033.92, 5,455,409,846.70 and 2,144,699,809.59

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Solution

The fourth proportional to 3,953,188,033.92, 5,455,409,846.70 and 2,144,699,809.59 is: 2,959,691,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,188,033.92 : 5,455,409,846.70 = 2,144,699,809.59 : x
  2. Step 2: Convert to fraction form
    3,953,188,033.92/5,455,409,846.70 = 2,144,699,809.59/x
  3. Step 3: Cross multiply
    3,953,188,033.92x = 5,455,409,846.70 × 2,144,699,809.59
  4. Step 4: Simplify right side
    3,953,188,033.92x = 11,700,216,459,452,899,328
  5. Step 5: Solve for x
    x = 11,700,216,459,452,899,328/3,953,188,033.92
  6. Step 6: Final answer
    x = 2,959,691,357.72

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Double scale
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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.