Home / 1,691,565,821.36-2,539,839,513.36-946,042,244.72

Finding the Fourth Proportional to 1,691,565,821.36, 2,539,839,513.36 and 946,042,244.72

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Solution

The fourth proportional to 1,691,565,821.36, 2,539,839,513.36 and 946,042,244.72 is: 1,420,456,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,565,821.36 : 2,539,839,513.36 = 946,042,244.72 : x
  2. Step 2: Convert to fraction form
    1,691,565,821.36/2,539,839,513.36 = 946,042,244.72/x
  3. Step 3: Cross multiply
    1,691,565,821.36x = 2,539,839,513.36 × 946,042,244.72
  4. Step 4: Simplify right side
    1,691,565,821.36x = 2,402,795,474,447,647,232
  5. Step 5: Solve for x
    x = 2,402,795,474,447,647,232/1,691,565,821.36
  6. Step 6: Final answer
    x = 1,420,456,386.68

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Double scale
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1.5x scale

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.