Home / 550,540,970.20-826,768,049.10-292,260,644.20

Finding the Fourth Proportional to 550,540,970.20, 826,768,049.10 and 292,260,644.20

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Solution

The fourth proportional to 550,540,970.20, 826,768,049.10 and 292,260,644.20 is: 438,898,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,540,970.20 : 826,768,049.10 = 292,260,644.20 : x
  2. Step 2: Convert to fraction form
    550,540,970.20/826,768,049.10 = 292,260,644.20/x
  3. Step 3: Cross multiply
    550,540,970.20x = 826,768,049.10 × 292,260,644.20
  4. Step 4: Simplify right side
    550,540,970.20x = 241,631,762,633,943,232
  5. Step 5: Solve for x
    x = 241,631,762,633,943,232/550,540,970.20
  6. Step 6: Final answer
    x = 438,898,784.49

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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.