Home / 800,219,679.84-1,104,316,233.62-438,107,601.96

Finding the Fourth Proportional to 800,219,679.84, 1,104,316,233.62 and 438,107,601.96

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Solution

The fourth proportional to 800,219,679.84, 1,104,316,233.62 and 438,107,601.96 is: 604,595,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,219,679.84 : 1,104,316,233.62 = 438,107,601.96 : x
  2. Step 2: Convert to fraction form
    800,219,679.84/1,104,316,233.62 = 438,107,601.96/x
  3. Step 3: Cross multiply
    800,219,679.84x = 1,104,316,233.62 × 438,107,601.96
  4. Step 4: Simplify right side
    800,219,679.84x = 483,809,336,914,566,784
  5. Step 5: Solve for x
    x = 483,809,336,914,566,784/800,219,679.84
  6. Step 6: Final answer
    x = 604,595,649.30

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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.