Home / 1,099,415,052.40-1,649,122,578.60-663,208,279.60

Finding the Fourth Proportional to 1,099,415,052.40, 1,649,122,578.60 and 663,208,279.60

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Solution

The fourth proportional to 1,099,415,052.40, 1,649,122,578.60 and 663,208,279.60 is: 994,812,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,415,052.40 : 1,649,122,578.60 = 663,208,279.60 : x
  2. Step 2: Convert to fraction form
    1,099,415,052.40/1,649,122,578.60 = 663,208,279.60/x
  3. Step 3: Cross multiply
    1,099,415,052.40x = 1,649,122,578.60 × 663,208,279.60
  4. Step 4: Simplify right side
    1,099,415,052.40x = 1,093,711,748,202,821,760
  5. Step 5: Solve for x
    x = 1,093,711,748,202,821,760/1,099,415,052.40
  6. Step 6: Final answer
    x = 994,812,419.40

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Double scale
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Similar ratio
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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.