Home / 492,804,020.70-739,206,031.05-298,934,343.90

Finding the Fourth Proportional to 492,804,020.70, 739,206,031.05 and 298,934,343.90

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Solution

The fourth proportional to 492,804,020.70, 739,206,031.05 and 298,934,343.90 is: 448,401,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804,020.70 : 739,206,031.05 = 298,934,343.90 : x
  2. Step 2: Convert to fraction form
    492,804,020.70/739,206,031.05 = 298,934,343.90/x
  3. Step 3: Cross multiply
    492,804,020.70x = 739,206,031.05 × 298,934,343.90
  4. Step 4: Simplify right side
    492,804,020.70x = 220,974,069,898,854,752
  5. Step 5: Solve for x
    x = 220,974,069,898,854,752/492,804,020.70
  6. Step 6: Final answer
    x = 448,401,515.85

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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.