Home / 383,841,266,129.30-529,717,598,016.05-212,563,197,618.83

Finding the Fourth Proportional to 383,841,266,129.30, 529,717,598,016.05 and 212,563,197,618.83

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Solution

The fourth proportional to 383,841,266,129.30, 529,717,598,016.05 and 212,563,197,618.83 is: 293,346,433,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841,266,129.30 : 529,717,598,016.05 = 212,563,197,618.83 : x
  2. Step 2: Convert to fraction form
    383,841,266,129.30/529,717,598,016.05 = 212,563,197,618.83/x
  3. Step 3: Cross multiply
    383,841,266,129.30x = 529,717,598,016.05 × 212,563,197,618.83
  4. Step 4: Simplify right side
    383,841,266,129.30x = 112,598,466,469,257,575,137,280
  5. Step 5: Solve for x
    x = 112,598,466,469,257,575,137,280/383,841,266,129.30
  6. Step 6: Final answer
    x = 293,346,433,552.37

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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.