Home / 486,989,595.42-672,027,630.55-263,966,488.62

Finding the Fourth Proportional to 486,989,595.42, 672,027,630.55 and 263,966,488.62

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Solution

The fourth proportional to 486,989,595.42, 672,027,630.55 and 263,966,488.62 is: 364,263,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,989,595.42 : 672,027,630.55 = 263,966,488.62 : x
  2. Step 2: Convert to fraction form
    486,989,595.42/672,027,630.55 = 263,966,488.62/x
  3. Step 3: Cross multiply
    486,989,595.42x = 672,027,630.55 × 263,966,488.62
  4. Step 4: Simplify right side
    486,989,595.42x = 177,392,773,891,902,144
  5. Step 5: Solve for x
    x = 177,392,773,891,902,144/486,989,595.42
  6. Step 6: Final answer
    x = 364,263,991.59

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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.