Home / 680,592,670.74-939,246,760.91-379,177,714.57

Finding the Fourth Proportional to 680,592,670.74, 939,246,760.91 and 379,177,714.57

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Solution

The fourth proportional to 680,592,670.74, 939,246,760.91 and 379,177,714.57 is: 523,281,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,592,670.74 : 939,246,760.91 = 379,177,714.57 : x
  2. Step 2: Convert to fraction form
    680,592,670.74/939,246,760.91 = 379,177,714.57/x
  3. Step 3: Cross multiply
    680,592,670.74x = 939,246,760.91 × 379,177,714.57
  4. Step 4: Simplify right side
    680,592,670.74x = 356,141,440,219,129,024
  5. Step 5: Solve for x
    x = 356,141,440,219,129,024/680,592,670.74
  6. Step 6: Final answer
    x = 523,281,333.36

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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.