Home / 449,092,634.76-620,354,421.36-338,420,045.52

Finding the Fourth Proportional to 449,092,634.76, 620,354,421.36 and 338,420,045.52

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Solution

The fourth proportional to 449,092,634.76, 620,354,421.36 and 338,420,045.52 is: 467,476,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,092,634.76 : 620,354,421.36 = 338,420,045.52 : x
  2. Step 2: Convert to fraction form
    449,092,634.76/620,354,421.36 = 338,420,045.52/x
  3. Step 3: Cross multiply
    449,092,634.76x = 620,354,421.36 × 338,420,045.52
  4. Step 4: Simplify right side
    449,092,634.76x = 209,940,371,515,184,448
  5. Step 5: Solve for x
    x = 209,940,371,515,184,448/449,092,634.76
  6. Step 6: Final answer
    x = 467,476,763.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.