Home / 365,590,614.15-504,515,047.55-208,961,084.21

Finding the Fourth Proportional to 365,590,614.15, 504,515,047.55 and 208,961,084.21

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Solution

The fourth proportional to 365,590,614.15, 504,515,047.55 and 208,961,084.21 is: 288,366,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,614.15 : 504,515,047.55 = 208,961,084.21 : x
  2. Step 2: Convert to fraction form
    365,590,614.15/504,515,047.55 = 208,961,084.21/x
  3. Step 3: Cross multiply
    365,590,614.15x = 504,515,047.55 × 208,961,084.21
  4. Step 4: Simplify right side
    365,590,614.15x = 105,424,011,332,740,336
  5. Step 5: Solve for x
    x = 105,424,011,332,740,336/365,590,614.15
  6. Step 6: Final answer
    x = 288,366,296.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.