Home / 365,626,585.80-504,564,694.02-208,997,085.96

Finding the Fourth Proportional to 365,626,585.80, 504,564,694.02 and 208,997,085.96

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Solution

The fourth proportional to 365,626,585.80, 504,564,694.02 and 208,997,085.96 is: 288,415,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,626,585.80 : 504,564,694.02 = 208,997,085.96 : x
  2. Step 2: Convert to fraction form
    365,626,585.80/504,564,694.02 = 208,997,085.96/x
  3. Step 3: Cross multiply
    365,626,585.80x = 504,564,694.02 × 208,997,085.96
  4. Step 4: Simplify right side
    365,626,585.80x = 105,452,550,728,479,040
  5. Step 5: Solve for x
    x = 105,452,550,728,479,040/365,626,585.80
  6. Step 6: Final answer
    x = 288,415,981.83

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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.