Home / 1,419,533,003.88-1,959,061,584.24-816,888,357.72

Finding the Fourth Proportional to 1,419,533,003.88, 1,959,061,584.24 and 816,888,357.72

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Solution

The fourth proportional to 1,419,533,003.88, 1,959,061,584.24 and 816,888,357.72 is: 1,127,366,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,533,003.88 : 1,959,061,584.24 = 816,888,357.72 : x
  2. Step 2: Convert to fraction form
    1,419,533,003.88/1,959,061,584.24 = 816,888,357.72/x
  3. Step 3: Cross multiply
    1,419,533,003.88x = 1,959,061,584.24 × 816,888,357.72
  4. Step 4: Simplify right side
    1,419,533,003.88x = 1,600,334,600,222,155,008
  5. Step 5: Solve for x
    x = 1,600,334,600,222,155,008/1,419,533,003.88
  6. Step 6: Final answer
    x = 1,127,366,955.08

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1.5x scale

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.