Home / 356,579,489.80-534,869,234.70-325,968,488.20

Finding the Fourth Proportional to 356,579,489.80, 534,869,234.70 and 325,968,488.20

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Solution

The fourth proportional to 356,579,489.80, 534,869,234.70 and 325,968,488.20 is: 488,952,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,579,489.80 : 534,869,234.70 = 325,968,488.20 : x
  2. Step 2: Convert to fraction form
    356,579,489.80/534,869,234.70 = 325,968,488.20/x
  3. Step 3: Cross multiply
    356,579,489.80x = 534,869,234.70 × 325,968,488.20
  4. Step 4: Simplify right side
    356,579,489.80x = 174,350,515,819,849,984
  5. Step 5: Solve for x
    x = 174,350,515,819,849,984/356,579,489.80
  6. Step 6: Final answer
    x = 488,952,732.30

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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.