Home / 365,618,885.52-504,554,007.44-208,989,355.76

Finding the Fourth Proportional to 365,618,885.52, 504,554,007.44 and 208,989,355.76

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Solution

The fourth proportional to 365,618,885.52, 504,554,007.44 and 208,989,355.76 is: 288,405,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,618,885.52 : 504,554,007.44 = 208,989,355.76 : x
  2. Step 2: Convert to fraction form
    365,618,885.52/504,554,007.44 = 208,989,355.76/x
  3. Step 3: Cross multiply
    365,618,885.52x = 504,554,007.44 × 208,989,355.76
  4. Step 4: Simplify right side
    365,618,885.52x = 105,446,416,961,011,840
  5. Step 5: Solve for x
    x = 105,446,416,961,011,840/365,618,885.52
  6. Step 6: Final answer
    x = 288,405,279.75

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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.