Home / 502,190,391.43-753,300,644.64-415,429,326.64

Finding the Fourth Proportional to 502,190,391.43, 753,300,644.64 and 415,429,326.64

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Solution

The fourth proportional to 502,190,391.43, 753,300,644.64 and 415,429,326.64 is: 623,156,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,190,391.43 : 753,300,644.64 = 415,429,326.64 : x
  2. Step 2: Convert to fraction form
    502,190,391.43/753,300,644.64 = 415,429,326.64/x
  3. Step 3: Cross multiply
    502,190,391.43x = 753,300,644.64 × 415,429,326.64
  4. Step 4: Simplify right side
    502,190,391.43x = 312,943,179,560,273,088
  5. Step 5: Solve for x
    x = 312,943,179,560,273,088/502,190,391.43
  6. Step 6: Final answer
    x = 623,156,446.04

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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.