Home / 808,619,935.57-1,213,276,169.54-255,967,353.79

Finding the Fourth Proportional to 808,619,935.57, 1,213,276,169.54 and 255,967,353.79

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Solution

The fourth proportional to 808,619,935.57, 1,213,276,169.54 and 255,967,353.79 is: 384,060,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,619,935.57 : 1,213,276,169.54 = 255,967,353.79 : x
  2. Step 2: Convert to fraction form
    808,619,935.57/1,213,276,169.54 = 255,967,353.79/x
  3. Step 3: Cross multiply
    808,619,935.57x = 1,213,276,169.54 × 255,967,353.79
  4. Step 4: Simplify right side
    808,619,935.57x = 310,559,090,531,227,904
  5. Step 5: Solve for x
    x = 310,559,090,531,227,904/808,619,935.57
  6. Step 6: Final answer
    x = 384,060,640.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.