Home / 1,259,714,244.80-1,889,571,367.20-797,147,998.40

Finding the Fourth Proportional to 1,259,714,244.80, 1,889,571,367.20 and 797,147,998.40

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Solution

The fourth proportional to 1,259,714,244.80, 1,889,571,367.20 and 797,147,998.40 is: 1,195,721,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,244.80 : 1,889,571,367.20 = 797,147,998.40 : x
  2. Step 2: Convert to fraction form
    1,259,714,244.80/1,889,571,367.20 = 797,147,998.40/x
  3. Step 3: Cross multiply
    1,259,714,244.80x = 1,889,571,367.20 × 797,147,998.40
  4. Step 4: Simplify right side
    1,259,714,244.80x = 1,506,268,033,197,431,296
  5. Step 5: Solve for x
    x = 1,506,268,033,197,431,296/1,259,714,244.80
  6. Step 6: Final answer
    x = 1,195,721,997.60

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Double scale
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1.5x scale

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.