Home / 302,160,081.35-415,973,618.87-288,277,513.82

Finding the Fourth Proportional to 302,160,081.35, 415,973,618.87 and 288,277,513.82

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Solution

The fourth proportional to 302,160,081.35, 415,973,618.87 and 288,277,513.82 is: 396,861,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,160,081.35 : 415,973,618.87 = 288,277,513.82 : x
  2. Step 2: Convert to fraction form
    302,160,081.35/415,973,618.87 = 288,277,513.82/x
  3. Step 3: Cross multiply
    302,160,081.35x = 415,973,618.87 × 288,277,513.82
  4. Step 4: Simplify right side
    302,160,081.35x = 119,915,840,659,030,576
  5. Step 5: Solve for x
    x = 119,915,840,659,030,576/302,160,081.35
  6. Step 6: Final answer
    x = 396,861,955.18

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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.