Home / 5,985,792,136.80-8,978,688,205.20-3,405,901,960.80

Finding the Fourth Proportional to 5,985,792,136.80, 8,978,688,205.20 and 3,405,901,960.80

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Solution

The fourth proportional to 5,985,792,136.80, 8,978,688,205.20 and 3,405,901,960.80 is: 5,108,852,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,792,136.80 : 8,978,688,205.20 = 3,405,901,960.80 : x
  2. Step 2: Convert to fraction form
    5,985,792,136.80/8,978,688,205.20 = 3,405,901,960.80/x
  3. Step 3: Cross multiply
    5,985,792,136.80x = 8,978,688,205.20 × 3,405,901,960.80
  4. Step 4: Simplify right side
    5,985,792,136.80x = 30,580,531,763,502,518,272
  5. Step 5: Solve for x
    x = 30,580,531,763,502,518,272/5,985,792,136.80
  6. Step 6: Final answer
    x = 5,108,852,941.20

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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.