Home / 642,214,090.34-886,279,806.92-359,961,747.92

Finding the Fourth Proportional to 642,214,090.34, 886,279,806.92 and 359,961,747.92

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Solution

The fourth proportional to 642,214,090.34, 886,279,806.92 and 359,961,747.92 is: 496,760,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,214,090.34 : 886,279,806.92 = 359,961,747.92 : x
  2. Step 2: Convert to fraction form
    642,214,090.34/886,279,806.92 = 359,961,747.92/x
  3. Step 3: Cross multiply
    642,214,090.34x = 886,279,806.92 × 359,961,747.92
  4. Step 4: Simplify right side
    642,214,090.34x = 319,026,828,445,123,328
  5. Step 5: Solve for x
    x = 319,026,828,445,123,328/642,214,090.34
  6. Step 6: Final answer
    x = 496,760,867.20

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Double scale
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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.