Home / 490,276,505,992.46-676,579,699,678.05-273,502,527,890.23

Finding the Fourth Proportional to 490,276,505,992.46, 676,579,699,678.05 and 273,502,527,890.23

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Solution

The fourth proportional to 490,276,505,992.46, 676,579,699,678.05 and 273,502,527,890.23 is: 377,432,440,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,276,505,992.46 : 676,579,699,678.05 = 273,502,527,890.23 : x
  2. Step 2: Convert to fraction form
    490,276,505,992.46/676,579,699,678.05 = 273,502,527,890.23/x
  3. Step 3: Cross multiply
    490,276,505,992.46x = 676,579,699,678.05 × 273,502,527,890.23
  4. Step 4: Simplify right side
    490,276,505,992.46x = 185,046,258,181,159,344,144,384
  5. Step 5: Solve for x
    x = 185,046,258,181,159,344,144,384/490,276,505,992.46
  6. Step 6: Final answer
    x = 377,432,440,509.41

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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.