Home / 438,790,516.63-658,176,553.60-106,799,378.64

Finding the Fourth Proportional to 438,790,516.63, 658,176,553.60 and 106,799,378.64

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Solution

The fourth proportional to 438,790,516.63, 658,176,553.60 and 106,799,378.64 is: 160,196,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,790,516.63 : 658,176,553.60 = 106,799,378.64 : x
  2. Step 2: Convert to fraction form
    438,790,516.63/658,176,553.60 = 106,799,378.64/x
  3. Step 3: Cross multiply
    438,790,516.63x = 658,176,553.60 × 106,799,378.64
  4. Step 4: Simplify right side
    438,790,516.63x = 70,292,846,959,896,656
  5. Step 5: Solve for x
    x = 70,292,846,959,896,656/438,790,516.63
  6. Step 6: Final answer
    x = 160,196,823.53

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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.