Home / 658,373,456.80-987,560,185.20-597,907,280.80

Finding the Fourth Proportional to 658,373,456.80, 987,560,185.20 and 597,907,280.80

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Solution

The fourth proportional to 658,373,456.80, 987,560,185.20 and 597,907,280.80 is: 896,860,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,373,456.80 : 987,560,185.20 = 597,907,280.80 : x
  2. Step 2: Convert to fraction form
    658,373,456.80/987,560,185.20 = 597,907,280.80/x
  3. Step 3: Cross multiply
    658,373,456.80x = 987,560,185.20 × 597,907,280.80
  4. Step 4: Simplify right side
    658,373,456.80x = 590,469,424,959,276,416
  5. Step 5: Solve for x
    x = 590,469,424,959,276,416/658,373,456.80
  6. Step 6: Final answer
    x = 896,860,921.20

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Double scale
Find fourth proportional to 658,373,457.80, 987,560,186.70 and 597,907,281.80
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.