Home / 383,841,266,145.21-529,717,598,037.90-212,563,197,634.59

Finding the Fourth Proportional to 383,841,266,145.21, 529,717,598,037.90 and 212,563,197,634.59

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Solution

The fourth proportional to 383,841,266,145.21, 529,717,598,037.90 and 212,563,197,634.59 is: 293,346,433,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841,266,145.21 : 529,717,598,037.90 = 212,563,197,634.59 : x
  2. Step 2: Convert to fraction form
    383,841,266,145.21/529,717,598,037.90 = 212,563,197,634.59/x
  3. Step 3: Cross multiply
    383,841,266,145.21x = 529,717,598,037.90 × 212,563,197,634.59
  4. Step 4: Simplify right side
    383,841,266,145.21x = 112,598,466,482,250,438,410,240
  5. Step 5: Solve for x
    x = 112,598,466,482,250,438,410,240/383,841,266,145.21
  6. Step 6: Final answer
    x = 293,346,433,574.06

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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.