Home / 625,152,032.20-937,728,048.30-319,387,270.60

Finding the Fourth Proportional to 625,152,032.20, 937,728,048.30 and 319,387,270.60

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Solution

The fourth proportional to 625,152,032.20, 937,728,048.30 and 319,387,270.60 is: 479,080,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,152,032.20 : 937,728,048.30 = 319,387,270.60 : x
  2. Step 2: Convert to fraction form
    625,152,032.20/937,728,048.30 = 319,387,270.60/x
  3. Step 3: Cross multiply
    625,152,032.20x = 937,728,048.30 × 319,387,270.60
  4. Step 4: Simplify right side
    625,152,032.20x = 299,498,401,911,601,984
  5. Step 5: Solve for x
    x = 299,498,401,911,601,984/625,152,032.20
  6. Step 6: Final answer
    x = 479,080,905.90

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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.