Home / 354,336,021.60-531,504,032.40-312,245,894.40

Finding the Fourth Proportional to 354,336,021.60, 531,504,032.40 and 312,245,894.40

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Solution

The fourth proportional to 354,336,021.60, 531,504,032.40 and 312,245,894.40 is: 468,368,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,336,021.60 : 531,504,032.40 = 312,245,894.40 : x
  2. Step 2: Convert to fraction form
    354,336,021.60/531,504,032.40 = 312,245,894.40/x
  3. Step 3: Cross multiply
    354,336,021.60x = 531,504,032.40 × 312,245,894.40
  4. Step 4: Simplify right side
    354,336,021.60x = 165,959,951,973,944,544
  5. Step 5: Solve for x
    x = 165,959,951,973,944,544/354,336,021.60
  6. Step 6: Final answer
    x = 468,368,841.60

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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.