Home / 535,494,672.80-803,242,009.20-372,235,997.60

Finding the Fourth Proportional to 535,494,672.80, 803,242,009.20 and 372,235,997.60

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Solution

The fourth proportional to 535,494,672.80, 803,242,009.20 and 372,235,997.60 is: 558,353,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,494,672.80 : 803,242,009.20 = 372,235,997.60 : x
  2. Step 2: Convert to fraction form
    535,494,672.80/803,242,009.20 = 372,235,997.60/x
  3. Step 3: Cross multiply
    535,494,672.80x = 803,242,009.20 × 372,235,997.60
  4. Step 4: Simplify right side
    535,494,672.80x = 298,995,590,608,790,400
  5. Step 5: Solve for x
    x = 298,995,590,608,790,400/535,494,672.80
  6. Step 6: Final answer
    x = 558,353,996.40

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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.