Home / 384,613,255.72-530,768,141.04-208,401,204.88

Finding the Fourth Proportional to 384,613,255.72, 530,768,141.04 and 208,401,204.88

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Solution

The fourth proportional to 384,613,255.72, 530,768,141.04 and 208,401,204.88 is: 287,594,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,613,255.72 : 530,768,141.04 = 208,401,204.88 : x
  2. Step 2: Convert to fraction form
    384,613,255.72/530,768,141.04 = 208,401,204.88/x
  3. Step 3: Cross multiply
    384,613,255.72x = 530,768,141.04 × 208,401,204.88
  4. Step 4: Simplify right side
    384,613,255.72x = 110,612,720,104,653,776
  5. Step 5: Solve for x
    x = 110,612,720,104,653,776/384,613,255.72
  6. Step 6: Final answer
    x = 287,594,664.15

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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.