Home / 2,153,797,775.81-2,972,469,438.78-1,262,473,379.72

Finding the Fourth Proportional to 2,153,797,775.81, 2,972,469,438.78 and 1,262,473,379.72

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Solution

The fourth proportional to 2,153,797,775.81, 2,972,469,438.78 and 1,262,473,379.72 is: 1,742,347,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,797,775.81 : 2,972,469,438.78 = 1,262,473,379.72 : x
  2. Step 2: Convert to fraction form
    2,153,797,775.81/2,972,469,438.78 = 1,262,473,379.72/x
  3. Step 3: Cross multiply
    2,153,797,775.81x = 2,972,469,438.78 × 1,262,473,379.72
  4. Step 4: Simplify right side
    2,153,797,775.81x = 3,752,663,538,476,135,936
  5. Step 5: Solve for x
    x = 3,752,663,538,476,135,936/2,153,797,775.81
  6. Step 6: Final answer
    x = 1,742,347,206.70

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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.