Home / 1,457,908,074.82-2,011,171,940.84-885,538,815.64

Finding the Fourth Proportional to 1,457,908,074.82, 2,011,171,940.84 and 885,538,815.64

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Solution

The fourth proportional to 1,457,908,074.82, 2,011,171,940.84 and 885,538,815.64 is: 1,221,593,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,908,074.82 : 2,011,171,940.84 = 885,538,815.64 : x
  2. Step 2: Convert to fraction form
    1,457,908,074.82/2,011,171,940.84 = 885,538,815.64/x
  3. Step 3: Cross multiply
    1,457,908,074.82x = 2,011,171,940.84 × 885,538,815.64
  4. Step 4: Simplify right side
    1,457,908,074.82x = 1,780,970,818,539,853,568
  5. Step 5: Solve for x
    x = 1,780,970,818,539,853,568/1,457,908,074.82
  6. Step 6: Final answer
    x = 1,221,593,356.47

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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.