Home / 608,999,501.70-840,419,934.34-330,541,082.64

Finding the Fourth Proportional to 608,999,501.70, 840,419,934.34 and 330,541,082.64

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Solution

The fourth proportional to 608,999,501.70, 840,419,934.34 and 330,541,082.64 is: 456,147,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999,501.70 : 840,419,934.34 = 330,541,082.64 : x
  2. Step 2: Convert to fraction form
    608,999,501.70/840,419,934.34 = 330,541,082.64/x
  3. Step 3: Cross multiply
    608,999,501.70x = 840,419,934.34 × 330,541,082.64
  4. Step 4: Simplify right side
    608,999,501.70x = 277,793,314,968,981,312
  5. Step 5: Solve for x
    x = 277,793,314,968,981,312/608,999,501.70
  6. Step 6: Final answer
    x = 456,147,031.64

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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.