Home / 1,818,716,441.40-2,728,074,662.10-784,744,831.80

Finding the Fourth Proportional to 1,818,716,441.40, 2,728,074,662.10 and 784,744,831.80

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Solution

The fourth proportional to 1,818,716,441.40, 2,728,074,662.10 and 784,744,831.80 is: 1,177,117,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,716,441.40 : 2,728,074,662.10 = 784,744,831.80 : x
  2. Step 2: Convert to fraction form
    1,818,716,441.40/2,728,074,662.10 = 784,744,831.80/x
  3. Step 3: Cross multiply
    1,818,716,441.40x = 2,728,074,662.10 × 784,744,831.80
  4. Step 4: Simplify right side
    1,818,716,441.40x = 2,140,842,491,847,506,176
  5. Step 5: Solve for x
    x = 2,140,842,491,847,506,176/1,818,716,441.40
  6. Step 6: Final answer
    x = 1,177,117,247.70

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Double scale
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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.