Home / 1,825,082,209.44-2,518,614,120.40-989,706,558.56

Finding the Fourth Proportional to 1,825,082,209.44, 2,518,614,120.40 and 989,706,558.56

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Solution

The fourth proportional to 1,825,082,209.44, 2,518,614,120.40 and 989,706,558.56 is: 1,365,795,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,082,209.44 : 2,518,614,120.40 = 989,706,558.56 : x
  2. Step 2: Convert to fraction form
    1,825,082,209.44/2,518,614,120.40 = 989,706,558.56/x
  3. Step 3: Cross multiply
    1,825,082,209.44x = 2,518,614,120.40 × 989,706,558.56
  4. Step 4: Simplify right side
    1,825,082,209.44x = 2,492,688,913,441,705,472
  5. Step 5: Solve for x
    x = 2,492,688,913,441,705,472/1,825,082,209.44
  6. Step 6: Final answer
    x = 1,365,795,414.89

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Half scale
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Double scale
Find fourth proportional to 1,825,082,210.44, 2,518,614,121.78 and 989,706,559.56
Similar ratio
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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.