Home / 341,658,046.90-512,487,070.35-225,431,900.20

Finding the Fourth Proportional to 341,658,046.90, 512,487,070.35 and 225,431,900.20

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Solution

The fourth proportional to 341,658,046.90, 512,487,070.35 and 225,431,900.20 is: 338,147,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,658,046.90 : 512,487,070.35 = 225,431,900.20 : x
  2. Step 2: Convert to fraction form
    341,658,046.90/512,487,070.35 = 225,431,900.20/x
  3. Step 3: Cross multiply
    341,658,046.90x = 512,487,070.35 × 225,431,900.20
  4. Step 4: Simplify right side
    341,658,046.90x = 115,530,934,096,931,584
  5. Step 5: Solve for x
    x = 115,530,934,096,931,584/341,658,046.90
  6. Step 6: Final answer
    x = 338,147,850.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.