Home / 400,601,001.20-600,901,501.80-364,250,436.80

Finding the Fourth Proportional to 400,601,001.20, 600,901,501.80 and 364,250,436.80

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Solution

The fourth proportional to 400,601,001.20, 600,901,501.80 and 364,250,436.80 is: 546,375,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,601,001.20 : 600,901,501.80 = 364,250,436.80 : x
  2. Step 2: Convert to fraction form
    400,601,001.20/600,901,501.80 = 364,250,436.80/x
  3. Step 3: Cross multiply
    400,601,001.20x = 600,901,501.80 × 364,250,436.80
  4. Step 4: Simplify right side
    400,601,001.20x = 218,878,634,504,425,984
  5. Step 5: Solve for x
    x = 218,878,634,504,425,984/400,601,001.20
  6. Step 6: Final answer
    x = 546,375,655.20

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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.