Home / 525,851,049.75-725,695,815.65-290,897,659.41

Finding the Fourth Proportional to 525,851,049.75, 725,695,815.65 and 290,897,659.41

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Solution

The fourth proportional to 525,851,049.75, 725,695,815.65 and 290,897,659.41 is: 401,450,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,851,049.75 : 725,695,815.65 = 290,897,659.41 : x
  2. Step 2: Convert to fraction form
    525,851,049.75/725,695,815.65 = 290,897,659.41/x
  3. Step 3: Cross multiply
    525,851,049.75x = 725,695,815.65 × 290,897,659.41
  4. Step 4: Simplify right side
    525,851,049.75x = 211,103,214,214,761,376
  5. Step 5: Solve for x
    x = 211,103,214,214,761,376/525,851,049.75
  6. Step 6: Final answer
    x = 401,450,590.08

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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.