Home / 493,949,145.28-740,991,851.82-286,785,119.20

Finding the Fourth Proportional to 493,949,145.28, 740,991,851.82 and 286,785,119.20

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Solution

The fourth proportional to 493,949,145.28, 740,991,851.82 and 286,785,119.20 is: 430,217,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,949,145.28 : 740,991,851.82 = 286,785,119.20 : x
  2. Step 2: Convert to fraction form
    493,949,145.28/740,991,851.82 = 286,785,119.20/x
  3. Step 3: Cross multiply
    493,949,145.28x = 740,991,851.82 × 286,785,119.20
  4. Step 4: Simplify right side
    493,949,145.28x = 212,505,436,550,427,456
  5. Step 5: Solve for x
    x = 212,505,436,550,427,456/493,949,145.28
  6. Step 6: Final answer
    x = 430,217,237.10

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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.