Home / 1,333,138,277.25-1,839,749,815.49-768,611,991.33

Finding the Fourth Proportional to 1,333,138,277.25, 1,839,749,815.49 and 768,611,991.33

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Solution

The fourth proportional to 1,333,138,277.25, 1,839,749,815.49 and 768,611,991.33 is: 1,060,695,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,138,277.25 : 1,839,749,815.49 = 768,611,991.33 : x
  2. Step 2: Convert to fraction form
    1,333,138,277.25/1,839,749,815.49 = 768,611,991.33/x
  3. Step 3: Cross multiply
    1,333,138,277.25x = 1,839,749,815.49 × 768,611,991.33
  4. Step 4: Simplify right side
    1,333,138,277.25x = 1,414,053,769,228,925,952
  5. Step 5: Solve for x
    x = 1,414,053,769,228,925,952/1,333,138,277.25
  6. Step 6: Final answer
    x = 1,060,695,498.25

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Double scale
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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.