Home / 331,451,258.30-497,176,887.45-210,817,504.70

Finding the Fourth Proportional to 331,451,258.30, 497,176,887.45 and 210,817,504.70

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Solution

The fourth proportional to 331,451,258.30, 497,176,887.45 and 210,817,504.70 is: 316,226,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,451,258.30 : 497,176,887.45 = 210,817,504.70 : x
  2. Step 2: Convert to fraction form
    331,451,258.30/497,176,887.45 = 210,817,504.70/x
  3. Step 3: Cross multiply
    331,451,258.30x = 497,176,887.45 × 210,817,504.70
  4. Step 4: Simplify right side
    331,451,258.30x = 104,813,590,806,721,744
  5. Step 5: Solve for x
    x = 104,813,590,806,721,744/331,451,258.30
  6. Step 6: Final answer
    x = 316,226,257.05

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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.