Home / 6,290,423,998.80-9,435,635,998.20-3,841,543,870.80

Finding the Fourth Proportional to 6,290,423,998.80, 9,435,635,998.20 and 3,841,543,870.80

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Solution

The fourth proportional to 6,290,423,998.80, 9,435,635,998.20 and 3,841,543,870.80 is: 5,762,315,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,423,998.80 : 9,435,635,998.20 = 3,841,543,870.80 : x
  2. Step 2: Convert to fraction form
    6,290,423,998.80/9,435,635,998.20 = 3,841,543,870.80/x
  3. Step 3: Cross multiply
    6,290,423,998.80x = 9,435,635,998.20 × 3,841,543,870.80
  4. Step 4: Simplify right side
    6,290,423,998.80x = 36,247,409,635,985,055,744
  5. Step 5: Solve for x
    x = 36,247,409,635,985,055,744/6,290,423,998.80
  6. Step 6: Final answer
    x = 5,762,315,806.20

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Half scale
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Double scale
Find fourth proportional to 6,290,423,999.80, 9,435,635,999.70 and 3,841,543,871.80
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.