Home / 1,191,022,390.35-1,786,154,557.15-393,190,974.84

Finding the Fourth Proportional to 1,191,022,390.35, 1,786,154,557.15 and 393,190,974.84

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Solution

The fourth proportional to 1,191,022,390.35, 1,786,154,557.15 and 393,190,974.84 is: 589,661,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,022,390.35 : 1,786,154,557.15 = 393,190,974.84 : x
  2. Step 2: Convert to fraction form
    1,191,022,390.35/1,786,154,557.15 = 393,190,974.84/x
  3. Step 3: Cross multiply
    1,191,022,390.35x = 1,786,154,557.15 × 393,190,974.84
  4. Step 4: Simplify right side
    1,191,022,390.35x = 702,299,851,539,734,016
  5. Step 5: Solve for x
    x = 702,299,851,539,734,016/1,191,022,390.35
  6. Step 6: Final answer
    x = 589,661,334.02

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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.