Home / 1,328,604,831.30-1,992,907,246.95-1,320,952,080.90

Finding the Fourth Proportional to 1,328,604,831.30, 1,992,907,246.95 and 1,320,952,080.90

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Solution

The fourth proportional to 1,328,604,831.30, 1,992,907,246.95 and 1,320,952,080.90 is: 1,981,428,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,604,831.30 : 1,992,907,246.95 = 1,320,952,080.90 : x
  2. Step 2: Convert to fraction form
    1,328,604,831.30/1,992,907,246.95 = 1,320,952,080.90/x
  3. Step 3: Cross multiply
    1,328,604,831.30x = 1,992,907,246.95 × 1,320,952,080.90
  4. Step 4: Simplify right side
    1,328,604,831.30x = 2,632,534,974,899,293,184
  5. Step 5: Solve for x
    x = 2,632,534,974,899,293,184/1,328,604,831.30
  6. Step 6: Final answer
    x = 1,981,428,121.35

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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.