Home / 665,758,489.60-998,637,734.40-585,136,921.60

Finding the Fourth Proportional to 665,758,489.60, 998,637,734.40 and 585,136,921.60

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Solution

The fourth proportional to 665,758,489.60, 998,637,734.40 and 585,136,921.60 is: 877,705,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,758,489.60 : 998,637,734.40 = 585,136,921.60 : x
  2. Step 2: Convert to fraction form
    665,758,489.60/998,637,734.40 = 585,136,921.60/x
  3. Step 3: Cross multiply
    665,758,489.60x = 998,637,734.40 × 585,136,921.60
  4. Step 4: Simplify right side
    665,758,489.60x = 584,339,809,700,414,464
  5. Step 5: Solve for x
    x = 584,339,809,700,414,464/665,758,489.60
  6. Step 6: Final answer
    x = 877,705,382.40

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Double scale
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Similar ratio
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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.