Home / 626,849,333.20-940,273,999.80-454,856,654.80

Finding the Fourth Proportional to 626,849,333.20, 940,273,999.80 and 454,856,654.80

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Solution

The fourth proportional to 626,849,333.20, 940,273,999.80 and 454,856,654.80 is: 682,284,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,849,333.20 : 940,273,999.80 = 454,856,654.80 : x
  2. Step 2: Convert to fraction form
    626,849,333.20/940,273,999.80 = 454,856,654.80/x
  3. Step 3: Cross multiply
    626,849,333.20x = 940,273,999.80 × 454,856,654.80
  4. Step 4: Simplify right side
    626,849,333.20x = 427,689,886,144,443,840
  5. Step 5: Solve for x
    x = 427,689,886,144,443,840/626,849,333.20
  6. Step 6: Final answer
    x = 682,284,982.20

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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.