Home / 379,154,296.53-523,232,801.69-205,314,040.53

Finding the Fourth Proportional to 379,154,296.53, 523,232,801.69 and 205,314,040.53

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Solution

The fourth proportional to 379,154,296.53, 523,232,801.69 and 205,314,040.53 is: 283,333,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,154,296.53 : 523,232,801.69 = 205,314,040.53 : x
  2. Step 2: Convert to fraction form
    379,154,296.53/523,232,801.69 = 205,314,040.53/x
  3. Step 3: Cross multiply
    379,154,296.53x = 523,232,801.69 × 205,314,040.53
  4. Step 4: Simplify right side
    379,154,296.53x = 107,427,040,651,779,536
  5. Step 5: Solve for x
    x = 107,427,040,651,779,536/379,154,296.53
  6. Step 6: Final answer
    x = 283,333,306.88

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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.