Home / 298,366,939.83-447,780,221.07-240,216,887.04

Finding the Fourth Proportional to 298,366,939.83, 447,780,221.07 and 240,216,887.04

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Solution

The fourth proportional to 298,366,939.83, 447,780,221.07 and 240,216,887.04 is: 360,510,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,366,939.83 : 447,780,221.07 = 240,216,887.04 : x
  2. Step 2: Convert to fraction form
    298,366,939.83/447,780,221.07 = 240,216,887.04/x
  3. Step 3: Cross multiply
    298,366,939.83x = 447,780,221.07 × 240,216,887.04
  4. Step 4: Simplify right side
    298,366,939.83x = 107,564,370,783,518,416
  5. Step 5: Solve for x
    x = 107,564,370,783,518,416/298,366,939.83
  6. Step 6: Final answer
    x = 360,510,352.94

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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.