Home / 665,758,553.60-998,637,830.40-585,136,985.60

Finding the Fourth Proportional to 665,758,553.60, 998,637,830.40 and 585,136,985.60

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Solution

The fourth proportional to 665,758,553.60, 998,637,830.40 and 585,136,985.60 is: 877,705,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,758,553.60 : 998,637,830.40 = 585,136,985.60 : x
  2. Step 2: Convert to fraction form
    665,758,553.60/998,637,830.40 = 585,136,985.60/x
  3. Step 3: Cross multiply
    665,758,553.60x = 998,637,830.40 × 585,136,985.60
  4. Step 4: Simplify right side
    665,758,553.60x = 584,339,929,786,380,032
  5. Step 5: Solve for x
    x = 584,339,929,786,380,032/665,758,553.60
  6. Step 6: Final answer
    x = 877,705,478.40

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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.