Home / 365,590,609.53-504,515,041.16-208,961,079.53

Finding the Fourth Proportional to 365,590,609.53, 504,515,041.16 and 208,961,079.53

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Solution

The fourth proportional to 365,590,609.53, 504,515,041.16 and 208,961,079.53 is: 288,366,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,609.53 : 504,515,041.16 = 208,961,079.53 : x
  2. Step 2: Convert to fraction form
    365,590,609.53/504,515,041.16 = 208,961,079.53/x
  3. Step 3: Cross multiply
    365,590,609.53x = 504,515,041.16 × 208,961,079.53
  4. Step 4: Simplify right side
    365,590,609.53x = 105,424,007,639,183,968
  5. Step 5: Solve for x
    x = 105,424,007,639,183,968/365,590,609.53
  6. Step 6: Final answer
    x = 288,366,289.75

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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.