Home / 384,136,646.08-530,159,034.72-219,086,380.48

Finding the Fourth Proportional to 384,136,646.08, 530,159,034.72 and 219,086,380.48

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Solution

The fourth proportional to 384,136,646.08, 530,159,034.72 and 219,086,380.48 is: 302,367,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,136,646.08 : 530,159,034.72 = 219,086,380.48 : x
  2. Step 2: Convert to fraction form
    384,136,646.08/530,159,034.72 = 219,086,380.48/x
  3. Step 3: Cross multiply
    384,136,646.08x = 530,159,034.72 × 219,086,380.48
  4. Step 4: Simplify right side
    384,136,646.08x = 116,150,623,995,575,456
  5. Step 5: Solve for x
    x = 116,150,623,995,575,456/384,136,646.08
  6. Step 6: Final answer
    x = 302,367,985.93

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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.