Home / 526,970,599.05-727,194,479.43-315,394,003.19

Finding the Fourth Proportional to 526,970,599.05, 727,194,479.43 and 315,394,003.19

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Solution

The fourth proportional to 526,970,599.05, 727,194,479.43 and 315,394,003.19 is: 435,228,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,970,599.05 : 727,194,479.43 = 315,394,003.19 : x
  2. Step 2: Convert to fraction form
    526,970,599.05/727,194,479.43 = 315,394,003.19/x
  3. Step 3: Cross multiply
    526,970,599.05x = 727,194,479.43 × 315,394,003.19
  4. Step 4: Simplify right side
    526,970,599.05x = 229,352,777,963,115,232
  5. Step 5: Solve for x
    x = 229,352,777,963,115,232/526,970,599.05
  6. Step 6: Final answer
    x = 435,228,793.36

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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.