Home / 427,488,758.84-589,935,630.66-231,918,470.84

Finding the Fourth Proportional to 427,488,758.84, 589,935,630.66 and 231,918,470.84

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Solution

The fourth proportional to 427,488,758.84, 589,935,630.66 and 231,918,470.84 is: 320,048,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,488,758.84 : 589,935,630.66 = 231,918,470.84 : x
  2. Step 2: Convert to fraction form
    427,488,758.84/589,935,630.66 = 231,918,470.84/x
  3. Step 3: Cross multiply
    427,488,758.84x = 589,935,630.66 × 231,918,470.84
  4. Step 4: Simplify right side
    427,488,758.84x = 136,816,969,356,698,208
  5. Step 5: Solve for x
    x = 136,816,969,356,698,208/427,488,758.84
  6. Step 6: Final answer
    x = 320,048,110.10

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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.