Home / 492,804,676.20-739,207,014.30-298,934,999.40

Finding the Fourth Proportional to 492,804,676.20, 739,207,014.30 and 298,934,999.40

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Solution

The fourth proportional to 492,804,676.20, 739,207,014.30 and 298,934,999.40 is: 448,402,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804,676.20 : 739,207,014.30 = 298,934,999.40 : x
  2. Step 2: Convert to fraction form
    492,804,676.20/739,207,014.30 = 298,934,999.40/x
  3. Step 3: Cross multiply
    492,804,676.20x = 739,207,014.30 × 298,934,999.40
  4. Step 4: Simplify right side
    492,804,676.20x = 220,974,848,376,246,272
  5. Step 5: Solve for x
    x = 220,974,848,376,246,272/492,804,676.20
  6. Step 6: Final answer
    x = 448,402,499.10

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1.5x scale

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.