Home / 1,818,716,440.90-2,728,074,661.35-784,744,831.30

Finding the Fourth Proportional to 1,818,716,440.90, 2,728,074,661.35 and 784,744,831.30

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Solution

The fourth proportional to 1,818,716,440.90, 2,728,074,661.35 and 784,744,831.30 is: 1,177,117,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,716,440.90 : 2,728,074,661.35 = 784,744,831.30 : x
  2. Step 2: Convert to fraction form
    1,818,716,440.90/2,728,074,661.35 = 784,744,831.30/x
  3. Step 3: Cross multiply
    1,818,716,440.90x = 2,728,074,661.35 × 784,744,831.30
  4. Step 4: Simplify right side
    1,818,716,440.90x = 2,140,842,489,894,910,208
  5. Step 5: Solve for x
    x = 2,140,842,489,894,910,208/1,818,716,440.90
  6. Step 6: Final answer
    x = 1,177,117,246.95

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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.