Home / 410,454,302.67-616,663,665.09-263,190,385.94

Finding the Fourth Proportional to 410,454,302.67, 616,663,665.09 and 263,190,385.94

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Solution

The fourth proportional to 410,454,302.67, 616,663,665.09 and 263,190,385.94 is: 395,415,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,454,302.67 : 616,663,665.09 = 263,190,385.94 : x
  2. Step 2: Convert to fraction form
    410,454,302.67/616,663,665.09 = 263,190,385.94/x
  3. Step 3: Cross multiply
    410,454,302.67x = 616,663,665.09 × 263,190,385.94
  4. Step 4: Simplify right side
    410,454,302.67x = 162,299,948,007,128,704
  5. Step 5: Solve for x
    x = 162,299,948,007,128,704/410,454,302.67
  6. Step 6: Final answer
    x = 395,415,389.61

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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.