Home / 384,613,556.63-530,767,174.70-208,401,415.70

Finding the Fourth Proportional to 384,613,556.63, 530,767,174.70 and 208,401,415.70

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Solution

The fourth proportional to 384,613,556.63, 530,767,174.70 and 208,401,415.70 is: 287,594,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,613,556.63 : 530,767,174.70 = 208,401,415.70 : x
  2. Step 2: Convert to fraction form
    384,613,556.63/530,767,174.70 = 208,401,415.70/x
  3. Step 3: Cross multiply
    384,613,556.63x = 530,767,174.70 × 208,401,415.70
  4. Step 4: Simplify right side
    384,613,556.63x = 110,612,630,612,436,384
  5. Step 5: Solve for x
    x = 110,612,630,612,436,384/384,613,556.63
  6. Step 6: Final answer
    x = 287,594,206.46

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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.