Home / 401,958,110,158.30-603,115,215,960.70-210,684,690,836.39

Finding the Fourth Proportional to 401,958,110,158.30, 603,115,215,960.70 and 210,684,690,836.39

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Solution

The fourth proportional to 401,958,110,158.30, 603,115,215,960.70 and 210,684,690,836.39 is: 316,120,360,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,958,110,158.30 : 603,115,215,960.70 = 210,684,690,836.39 : x
  2. Step 2: Convert to fraction form
    401,958,110,158.30/603,115,215,960.70 = 210,684,690,836.39/x
  3. Step 3: Cross multiply
    401,958,110,158.30x = 603,115,215,960.70 × 210,684,690,836.39
  4. Step 4: Simplify right side
    401,958,110,158.30x = 127,067,142,813,402,672,398,336
  5. Step 5: Solve for x
    x = 127,067,142,813,402,672,398,336/401,958,110,158.30
  6. Step 6: Final answer
    x = 316,120,360,809.14

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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.