Home / 503,521,377.39-689,826,748.46-484,649,514.88

Finding the Fourth Proportional to 503,521,377.39, 689,826,748.46 and 484,649,514.88

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Solution

The fourth proportional to 503,521,377.39, 689,826,748.46 and 484,649,514.88 is: 663,972,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,521,377.39 : 689,826,748.46 = 484,649,514.88 : x
  2. Step 2: Convert to fraction form
    503,521,377.39/689,826,748.46 = 484,649,514.88/x
  3. Step 3: Cross multiply
    503,521,377.39x = 689,826,748.46 × 484,649,514.88
  4. Step 4: Simplify right side
    503,521,377.39x = 334,324,198,988,238,976
  5. Step 5: Solve for x
    x = 334,324,198,988,238,976/503,521,377.39
  6. Step 6: Final answer
    x = 663,972,204.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.