Home / 1,645,303,882.25-2,270,523,669.26-892,617,018.78

Finding the Fourth Proportional to 1,645,303,882.25, 2,270,523,669.26 and 892,617,018.78

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Solution

The fourth proportional to 1,645,303,882.25, 2,270,523,669.26 and 892,617,018.78 is: 1,231,813,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,303,882.25 : 2,270,523,669.26 = 892,617,018.78 : x
  2. Step 2: Convert to fraction form
    1,645,303,882.25/2,270,523,669.26 = 892,617,018.78/x
  3. Step 3: Cross multiply
    1,645,303,882.25x = 2,270,523,669.26 × 892,617,018.78
  4. Step 4: Simplify right side
    1,645,303,882.25x = 2,026,708,068,719,824,896
  5. Step 5: Solve for x
    x = 2,026,708,068,719,824,896/1,645,303,882.25
  6. Step 6: Final answer
    x = 1,231,813,825.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.