Home / 492,804,019.20-739,206,028.80-298,934,342.40

Finding the Fourth Proportional to 492,804,019.20, 739,206,028.80 and 298,934,342.40

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Solution

The fourth proportional to 492,804,019.20, 739,206,028.80 and 298,934,342.40 is: 448,401,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804,019.20 : 739,206,028.80 = 298,934,342.40 : x
  2. Step 2: Convert to fraction form
    492,804,019.20/739,206,028.80 = 298,934,342.40/x
  3. Step 3: Cross multiply
    492,804,019.20x = 739,206,028.80 × 298,934,342.40
  4. Step 4: Simplify right side
    492,804,019.20x = 220,974,068,117,443,424
  5. Step 5: Solve for x
    x = 220,974,068,117,443,424/492,804,019.20
  6. Step 6: Final answer
    x = 448,401,513.60

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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.