Home / 386,859,009.60-580,288,514.40-336,470,529.60

Finding the Fourth Proportional to 386,859,009.60, 580,288,514.40 and 336,470,529.60

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Solution

The fourth proportional to 386,859,009.60, 580,288,514.40 and 336,470,529.60 is: 504,705,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,859,009.60 : 580,288,514.40 = 336,470,529.60 : x
  2. Step 2: Convert to fraction form
    386,859,009.60/580,288,514.40 = 336,470,529.60/x
  3. Step 3: Cross multiply
    386,859,009.60x = 580,288,514.40 × 336,470,529.60
  4. Step 4: Simplify right side
    386,859,009.60x = 195,249,983,760,965,248
  5. Step 5: Solve for x
    x = 195,249,983,760,965,248/386,859,009.60
  6. Step 6: Final answer
    x = 504,705,794.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.