Home / 395,672,721.49-546,093,740.33-219,517,470.01

Finding the Fourth Proportional to 395,672,721.49, 546,093,740.33 and 219,517,470.01

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Solution

The fourth proportional to 395,672,721.49, 546,093,740.33 and 219,517,470.01 is: 302,970,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,672,721.49 : 546,093,740.33 = 219,517,470.01 : x
  2. Step 2: Convert to fraction form
    395,672,721.49/546,093,740.33 = 219,517,470.01/x
  3. Step 3: Cross multiply
    395,672,721.49x = 546,093,740.33 × 219,517,470.01
  4. Step 4: Simplify right side
    395,672,721.49x = 119,877,116,265,539,504
  5. Step 5: Solve for x
    x = 119,877,116,265,539,504/395,672,721.49
  6. Step 6: Final answer
    x = 302,970,383.74

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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.