Home / 383,841,266,131.35-529,717,598,018.85-212,563,197,620.91

Finding the Fourth Proportional to 383,841,266,131.35, 529,717,598,018.85 and 212,563,197,620.91

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Solution

The fourth proportional to 383,841,266,131.35, 529,717,598,018.85 and 212,563,197,620.91 is: 293,346,433,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841,266,131.35 : 529,717,598,018.85 = 212,563,197,620.91 : x
  2. Step 2: Convert to fraction form
    383,841,266,131.35/529,717,598,018.85 = 212,563,197,620.91/x
  3. Step 3: Cross multiply
    383,841,266,131.35x = 529,717,598,018.85 × 212,563,197,620.91
  4. Step 4: Simplify right side
    383,841,266,131.35x = 112,598,466,470,954,573,758,464
  5. Step 5: Solve for x
    x = 112,598,466,470,954,573,758,464/383,841,266,131.35
  6. Step 6: Final answer
    x = 293,346,433,555.23

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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.