Home / 331,451,257.80-497,176,886.70-210,817,504.20

Finding the Fourth Proportional to 331,451,257.80, 497,176,886.70 and 210,817,504.20

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Solution

The fourth proportional to 331,451,257.80, 497,176,886.70 and 210,817,504.20 is: 316,226,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,451,257.80 : 497,176,886.70 = 210,817,504.20 : x
  2. Step 2: Convert to fraction form
    331,451,257.80/497,176,886.70 = 210,817,504.20/x
  3. Step 3: Cross multiply
    331,451,257.80x = 497,176,886.70 × 210,817,504.20
  4. Step 4: Simplify right side
    331,451,257.80x = 104,813,590,400,020,160
  5. Step 5: Solve for x
    x = 104,813,590,400,020,160/331,451,257.80
  6. Step 6: Final answer
    x = 316,226,256.30

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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.