Home / 1,907,714,129.60-2,861,571,194.40-680,922,603.20

Finding the Fourth Proportional to 1,907,714,129.60, 2,861,571,194.40 and 680,922,603.20

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Solution

The fourth proportional to 1,907,714,129.60, 2,861,571,194.40 and 680,922,603.20 is: 1,021,383,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,714,129.60 : 2,861,571,194.40 = 680,922,603.20 : x
  2. Step 2: Convert to fraction form
    1,907,714,129.60/2,861,571,194.40 = 680,922,603.20/x
  3. Step 3: Cross multiply
    1,907,714,129.60x = 2,861,571,194.40 × 680,922,603.20
  4. Step 4: Simplify right side
    1,907,714,129.60x = 1,948,508,506,932,981,504
  5. Step 5: Solve for x
    x = 1,948,508,506,932,981,504/1,907,714,129.60
  6. Step 6: Final answer
    x = 1,021,383,904.80

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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.