Home / 2,654,210,018.40-3,981,315,027.60-813,948,079.20

Finding the Fourth Proportional to 2,654,210,018.40, 3,981,315,027.60 and 813,948,079.20

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Solution

The fourth proportional to 2,654,210,018.40, 3,981,315,027.60 and 813,948,079.20 is: 1,220,922,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,210,018.40 : 3,981,315,027.60 = 813,948,079.20 : x
  2. Step 2: Convert to fraction form
    2,654,210,018.40/3,981,315,027.60 = 813,948,079.20/x
  3. Step 3: Cross multiply
    2,654,210,018.40x = 3,981,315,027.60 × 813,948,079.20
  4. Step 4: Simplify right side
    2,654,210,018.40x = 3,240,583,719,405,114,880
  5. Step 5: Solve for x
    x = 3,240,583,719,405,114,880/2,654,210,018.40
  6. Step 6: Final answer
    x = 1,220,922,118.80

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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.