Home / 543,893,767.20-814,104,610.20-429,102,511.20

Finding the Fourth Proportional to 543,893,767.20, 814,104,610.20 and 429,102,511.20

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Solution

The fourth proportional to 543,893,767.20, 814,104,610.20 and 429,102,511.20 is: 642,284,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,893,767.20 : 814,104,610.20 = 429,102,511.20 : x
  2. Step 2: Convert to fraction form
    543,893,767.20/814,104,610.20 = 429,102,511.20/x
  3. Step 3: Cross multiply
    543,893,767.20x = 814,104,610.20 × 429,102,511.20
  4. Step 4: Simplify right side
    543,893,767.20x = 349,334,332,616,317,120
  5. Step 5: Solve for x
    x = 349,334,332,616,317,120/543,893,767.20
  6. Step 6: Final answer
    x = 642,284,125.47

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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.