Home / 492,803,999.70-739,205,999.55-298,934,322.90

Finding the Fourth Proportional to 492,803,999.70, 739,205,999.55 and 298,934,322.90

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Solution

The fourth proportional to 492,803,999.70, 739,205,999.55 and 298,934,322.90 is: 448,401,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,803,999.70 : 739,205,999.55 = 298,934,322.90 : x
  2. Step 2: Convert to fraction form
    492,803,999.70/739,205,999.55 = 298,934,322.90/x
  3. Step 3: Cross multiply
    492,803,999.70x = 739,205,999.55 × 298,934,322.90
  4. Step 4: Simplify right side
    492,803,999.70x = 220,974,044,959,096,928
  5. Step 5: Solve for x
    x = 220,974,044,959,096,928/492,803,999.70
  6. Step 6: Final answer
    x = 448,401,484.35

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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.