Home / 302,160,086.36-415,973,625.75-288,277,518.83

Finding the Fourth Proportional to 302,160,086.36, 415,973,625.75 and 288,277,518.83

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Solution

The fourth proportional to 302,160,086.36, 415,973,625.75 and 288,277,518.83 is: 396,861,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,160,086.36 : 415,973,625.75 = 288,277,518.83 : x
  2. Step 2: Convert to fraction form
    302,160,086.36/415,973,625.75 = 288,277,518.83/x
  3. Step 3: Cross multiply
    302,160,086.36x = 415,973,625.75 × 288,277,518.83
  4. Step 4: Simplify right side
    302,160,086.36x = 119,915,844,729,928,992
  5. Step 5: Solve for x
    x = 119,915,844,729,928,992/302,160,086.36
  6. Step 6: Final answer
    x = 396,861,962.06

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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.