Home / 5,388,912,145.40-8,083,368,218.10-3,311,898,999.80

Finding the Fourth Proportional to 5,388,912,145.40, 8,083,368,218.10 and 3,311,898,999.80

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Solution

The fourth proportional to 5,388,912,145.40, 8,083,368,218.10 and 3,311,898,999.80 is: 4,967,848,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,912,145.40 : 8,083,368,218.10 = 3,311,898,999.80 : x
  2. Step 2: Convert to fraction form
    5,388,912,145.40/8,083,368,218.10 = 3,311,898,999.80/x
  3. Step 3: Cross multiply
    5,388,912,145.40x = 8,083,368,218.10 × 3,311,898,999.80
  4. Step 4: Simplify right side
    5,388,912,145.40x = 26,771,299,116,540,502,016
  5. Step 5: Solve for x
    x = 26,771,299,116,540,502,016/5,388,912,145.40
  6. Step 6: Final answer
    x = 4,967,848,499.70

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Double scale
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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.