Home / 639,221,752.36-958,875,143.82-224,648,433.64

Finding the Fourth Proportional to 639,221,752.36, 958,875,143.82 and 224,648,433.64

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Solution

The fourth proportional to 639,221,752.36, 958,875,143.82 and 224,648,433.64 is: 336,987,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,221,752.36 : 958,875,143.82 = 224,648,433.64 : x
  2. Step 2: Convert to fraction form
    639,221,752.36/958,875,143.82 = 224,648,433.64/x
  3. Step 3: Cross multiply
    639,221,752.36x = 958,875,143.82 × 224,648,433.64
  4. Step 4: Simplify right side
    639,221,752.36x = 215,409,799,115,492,736
  5. Step 5: Solve for x
    x = 215,409,799,115,492,736/639,221,752.36
  6. Step 6: Final answer
    x = 336,987,592.05

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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.