Home / 331,776,979.20-497,665,468.80-249,363,820.80

Finding the Fourth Proportional to 331,776,979.20, 497,665,468.80 and 249,363,820.80

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Solution

The fourth proportional to 331,776,979.20, 497,665,468.80 and 249,363,820.80 is: 374,045,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,979.20 : 497,665,468.80 = 249,363,820.80 : x
  2. Step 2: Convert to fraction form
    331,776,979.20/497,665,468.80 = 249,363,820.80/x
  3. Step 3: Cross multiply
    331,776,979.20x = 497,665,468.80 × 249,363,820.80
  4. Step 4: Simplify right side
    331,776,979.20x = 124,099,762,780,191,200
  5. Step 5: Solve for x
    x = 124,099,762,780,191,200/331,776,979.20
  6. Step 6: Final answer
    x = 374,045,731.20

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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.