Home / 1,361,229,221.10-2,041,843,831.65-1,330,996,133.10

Finding the Fourth Proportional to 1,361,229,221.10, 2,041,843,831.65 and 1,330,996,133.10

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Solution

The fourth proportional to 1,361,229,221.10, 2,041,843,831.65 and 1,330,996,133.10 is: 1,996,494,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,229,221.10 : 2,041,843,831.65 = 1,330,996,133.10 : x
  2. Step 2: Convert to fraction form
    1,361,229,221.10/2,041,843,831.65 = 1,330,996,133.10/x
  3. Step 3: Cross multiply
    1,361,229,221.10x = 2,041,843,831.65 × 1,330,996,133.10
  4. Step 4: Simplify right side
    1,361,229,221.10x = 2,717,686,244,320,237,568
  5. Step 5: Solve for x
    x = 2,717,686,244,320,237,568/1,361,229,221.10
  6. Step 6: Final answer
    x = 1,996,494,199.65

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Double scale
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Similar ratio
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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.