Home / 354,336,002.60-531,504,003.90-312,245,875.40

Finding the Fourth Proportional to 354,336,002.60, 531,504,003.90 and 312,245,875.40

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Solution

The fourth proportional to 354,336,002.60, 531,504,003.90 and 312,245,875.40 is: 468,368,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,336,002.60 : 531,504,003.90 = 312,245,875.40 : x
  2. Step 2: Convert to fraction form
    354,336,002.60/531,504,003.90 = 312,245,875.40/x
  3. Step 3: Cross multiply
    354,336,002.60x = 531,504,003.90 × 312,245,875.40
  4. Step 4: Simplify right side
    354,336,002.60x = 165,959,932,976,360,480
  5. Step 5: Solve for x
    x = 165,959,932,976,360,480/354,336,002.60
  6. Step 6: Final answer
    x = 468,368,813.10

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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.