Home / 6,490,367,997.80-9,735,551,996.70-3,910,477,821.80

Finding the Fourth Proportional to 6,490,367,997.80, 9,735,551,996.70 and 3,910,477,821.80

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Solution

The fourth proportional to 6,490,367,997.80, 9,735,551,996.70 and 3,910,477,821.80 is: 5,865,716,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490,367,997.80 : 9,735,551,996.70 = 3,910,477,821.80 : x
  2. Step 2: Convert to fraction form
    6,490,367,997.80/9,735,551,996.70 = 3,910,477,821.80/x
  3. Step 3: Cross multiply
    6,490,367,997.80x = 9,735,551,996.70 × 3,910,477,821.80
  4. Step 4: Simplify right side
    6,490,367,997.80x = 38,070,660,166,076,063,744
  5. Step 5: Solve for x
    x = 38,070,660,166,076,063,744/6,490,367,997.80
  6. Step 6: Final answer
    x = 5,865,716,732.70

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Half scale
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Double scale
Find fourth proportional to 6,490,367,998.80, 9,735,551,998.20 and 3,910,477,822.80
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.