Home / 492,897,198.81-680,198,299.38-269,892,985.35

Finding the Fourth Proportional to 492,897,198.81, 680,198,299.38 and 269,892,985.35

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Solution

The fourth proportional to 492,897,198.81, 680,198,299.38 and 269,892,985.35 is: 372,452,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,897,198.81 : 680,198,299.38 = 269,892,985.35 : x
  2. Step 2: Convert to fraction form
    492,897,198.81/680,198,299.38 = 269,892,985.35/x
  3. Step 3: Cross multiply
    492,897,198.81x = 680,198,299.38 × 269,892,985.35
  4. Step 4: Simplify right side
    492,897,198.81x = 183,580,749,649,661,280
  5. Step 5: Solve for x
    x = 183,580,749,649,661,280/492,897,198.81
  6. Step 6: Final answer
    x = 372,452,410.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.