Home / 488,640,960,553.92-674,324,635,632.89-268,909,652,672.18

Finding the Fourth Proportional to 488,640,960,553.92, 674,324,635,632.89 and 268,909,652,672.18

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Solution

The fourth proportional to 488,640,960,553.92, 674,324,635,632.89 and 268,909,652,672.18 is: 371,095,381,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,640,960,553.92 : 674,324,635,632.89 = 268,909,652,672.18 : x
  2. Step 2: Convert to fraction form
    488,640,960,553.92/674,324,635,632.89 = 268,909,652,672.18/x
  3. Step 3: Cross multiply
    488,640,960,553.92x = 674,324,635,632.89 × 268,909,652,672.18
  4. Step 4: Simplify right side
    488,640,960,553.92x = 181,332,403,556,334,776,090,624
  5. Step 5: Solve for x
    x = 181,332,403,556,334,776,090,624/488,640,960,553.92
  6. Step 6: Final answer
    x = 371,095,381,260.67

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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.