Home / 442,784,291.70-663,600,338.01-180,162,785.28

Finding the Fourth Proportional to 442,784,291.70, 663,600,338.01 and 180,162,785.28

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Solution

The fourth proportional to 442,784,291.70, 663,600,338.01 and 180,162,785.28 is: 270,009,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,784,291.70 : 663,600,338.01 = 180,162,785.28 : x
  2. Step 2: Convert to fraction form
    442,784,291.70/663,600,338.01 = 180,162,785.28/x
  3. Step 3: Cross multiply
    442,784,291.70x = 663,600,338.01 × 180,162,785.28
  4. Step 4: Simplify right side
    442,784,291.70x = 119,556,085,208,631,056
  5. Step 5: Solve for x
    x = 119,556,085,208,631,056/442,784,291.70
  6. Step 6: Final answer
    x = 270,009,771.01

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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.