Home / 279,936,000.10-419,904,000.15-193,650,393.70

Finding the Fourth Proportional to 279,936,000.10, 419,904,000.15 and 193,650,393.70

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Solution

The fourth proportional to 279,936,000.10, 419,904,000.15 and 193,650,393.70 is: 290,475,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,000.10 : 419,904,000.15 = 193,650,393.70 : x
  2. Step 2: Convert to fraction form
    279,936,000.10/419,904,000.15 = 193,650,393.70/x
  3. Step 3: Cross multiply
    279,936,000.10x = 419,904,000.15 × 193,650,393.70
  4. Step 4: Simplify right side
    279,936,000.10x = 81,314,574,945,252,352
  5. Step 5: Solve for x
    x = 81,314,574,945,252,352/279,936,000.10
  6. Step 6: Final answer
    x = 290,475,590.55

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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.