Home / 365,590,616.15-504,515,050.32-208,961,086.16

Finding the Fourth Proportional to 365,590,616.15, 504,515,050.32 and 208,961,086.16

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Solution

The fourth proportional to 365,590,616.15, 504,515,050.32 and 208,961,086.16 is: 288,366,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,616.15 : 504,515,050.32 = 208,961,086.16 : x
  2. Step 2: Convert to fraction form
    365,590,616.15/504,515,050.32 = 208,961,086.16/x
  3. Step 3: Cross multiply
    365,590,616.15x = 504,515,050.32 × 208,961,086.16
  4. Step 4: Simplify right side
    365,590,616.15x = 105,424,012,896,411,680
  5. Step 5: Solve for x
    x = 105,424,012,896,411,680/365,590,616.15
  6. Step 6: Final answer
    x = 288,366,298.92

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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.