Home / 639,221,751.86-958,875,143.07-224,648,433.14

Finding the Fourth Proportional to 639,221,751.86, 958,875,143.07 and 224,648,433.14

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Solution

The fourth proportional to 639,221,751.86, 958,875,143.07 and 224,648,433.14 is: 336,987,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,221,751.86 : 958,875,143.07 = 224,648,433.14 : x
  2. Step 2: Convert to fraction form
    639,221,751.86/958,875,143.07 = 224,648,433.14/x
  3. Step 3: Cross multiply
    639,221,751.86x = 958,875,143.07 × 224,648,433.14
  4. Step 4: Simplify right side
    639,221,751.86x = 215,409,798,467,568,832
  5. Step 5: Solve for x
    x = 215,409,798,467,568,832/639,221,751.86
  6. Step 6: Final answer
    x = 336,987,591.30

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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.