Home / 319,453,710.40-479,378,941.04-204,520,736.80

Finding the Fourth Proportional to 319,453,710.40, 479,378,941.04 and 204,520,736.80

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Solution

The fourth proportional to 319,453,710.40, 479,378,941.04 and 204,520,736.80 is: 306,908,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,453,710.40 : 479,378,941.04 = 204,520,736.80 : x
  2. Step 2: Convert to fraction form
    319,453,710.40/479,378,941.04 = 204,520,736.80/x
  3. Step 3: Cross multiply
    319,453,710.40x = 479,378,941.04 × 204,520,736.80
  4. Step 4: Simplify right side
    319,453,710.40x = 98,042,934,227,904,576
  5. Step 5: Solve for x
    x = 98,042,934,227,904,576/319,453,710.40
  6. Step 6: Final answer
    x = 306,908,109.18

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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.