Home / 383,841,266,135.03-529,717,598,023.83-212,563,197,624.54

Finding the Fourth Proportional to 383,841,266,135.03, 529,717,598,023.83 and 212,563,197,624.54

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Solution

The fourth proportional to 383,841,266,135.03, 529,717,598,023.83 and 212,563,197,624.54 is: 293,346,433,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841,266,135.03 : 529,717,598,023.83 = 212,563,197,624.54 : x
  2. Step 2: Convert to fraction form
    383,841,266,135.03/529,717,598,023.83 = 212,563,197,624.54/x
  3. Step 3: Cross multiply
    383,841,266,135.03x = 529,717,598,023.83 × 212,563,197,624.54
  4. Step 4: Simplify right side
    383,841,266,135.03x = 112,598,466,473,936,019,259,392
  5. Step 5: Solve for x
    x = 112,598,466,473,936,019,259,392/383,841,266,135.03
  6. Step 6: Final answer
    x = 293,346,433,560.18

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1.5x scale

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.