Home / 620,521,669,198.48-856,319,516,711.60-335,380,189,294.48

Finding the Fourth Proportional to 620,521,669,198.48, 856,319,516,711.60 and 335,380,189,294.48

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Solution

The fourth proportional to 620,521,669,198.48, 856,319,516,711.60 and 335,380,189,294.48 is: 462,824,452,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,521,669,198.48 : 856,319,516,711.60 = 335,380,189,294.48 : x
  2. Step 2: Convert to fraction form
    620,521,669,198.48/856,319,516,711.60 = 335,380,189,294.48/x
  3. Step 3: Cross multiply
    620,521,669,198.48x = 856,319,516,711.60 × 335,380,189,294.48
  4. Step 4: Simplify right side
    620,521,669,198.48x = 287,192,601,611,293,998,186,496
  5. Step 5: Solve for x
    x = 287,192,601,611,293,998,186,496/620,521,669,198.48
  6. Step 6: Final answer
    x = 462,824,452,177.89

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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.