Home / 331,485,641.20-497,228,461.80-202,345,478.20

Finding the Fourth Proportional to 331,485,641.20, 497,228,461.80 and 202,345,478.20

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Solution

The fourth proportional to 331,485,641.20, 497,228,461.80 and 202,345,478.20 is: 303,518,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,485,641.20 : 497,228,461.80 = 202,345,478.20 : x
  2. Step 2: Convert to fraction form
    331,485,641.20/497,228,461.80 = 202,345,478.20/x
  3. Step 3: Cross multiply
    331,485,641.20x = 497,228,461.80 × 202,345,478.20
  4. Step 4: Simplify right side
    331,485,641.20x = 100,611,930,877,571,424
  5. Step 5: Solve for x
    x = 100,611,930,877,571,424/331,485,641.20
  6. Step 6: Final answer
    x = 303,518,217.30

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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.