Home / 298,936,100.60-448,404,150.90-280,760,818.40

Finding the Fourth Proportional to 298,936,100.60, 448,404,150.90 and 280,760,818.40

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Solution

The fourth proportional to 298,936,100.60, 448,404,150.90 and 280,760,818.40 is: 421,141,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,100.60 : 448,404,150.90 = 280,760,818.40 : x
  2. Step 2: Convert to fraction form
    298,936,100.60/448,404,150.90 = 280,760,818.40/x
  3. Step 3: Cross multiply
    298,936,100.60x = 448,404,150.90 × 280,760,818.40
  4. Step 4: Simplify right side
    298,936,100.60x = 125,894,316,380,641,072
  5. Step 5: Solve for x
    x = 125,894,316,380,641,072/298,936,100.60
  6. Step 6: Final answer
    x = 421,141,227.60

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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.