Home / 608,999,500.70-840,419,932.96-330,541,081.64

Finding the Fourth Proportional to 608,999,500.70, 840,419,932.96 and 330,541,081.64

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Solution

The fourth proportional to 608,999,500.70, 840,419,932.96 and 330,541,081.64 is: 456,147,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999,500.70 : 840,419,932.96 = 330,541,081.64 : x
  2. Step 2: Convert to fraction form
    608,999,500.70/840,419,932.96 = 330,541,081.64/x
  3. Step 3: Cross multiply
    608,999,500.70x = 840,419,932.96 × 330,541,081.64
  4. Step 4: Simplify right side
    608,999,500.70x = 277,793,313,673,689,376
  5. Step 5: Solve for x
    x = 277,793,313,673,689,376/608,999,500.70
  6. Step 6: Final answer
    x = 456,147,030.26

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1.5x scale

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.