Home / 36,505,478,681.69-50,377,856,372.72-20,229,357,378.31

Finding the Fourth Proportional to 36,505,478,681.69, 50,377,856,372.72 and 20,229,357,378.31

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Solution

The fourth proportional to 36,505,478,681.69, 50,377,856,372.72 and 20,229,357,378.31 is: 27,916,677,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505,478,681.69 : 50,377,856,372.72 = 20,229,357,378.31 : x
  2. Step 2: Convert to fraction form
    36,505,478,681.69/50,377,856,372.72 = 20,229,357,378.31/x
  3. Step 3: Cross multiply
    36,505,478,681.69x = 50,377,856,372.72 × 20,229,357,378.31
  4. Step 4: Simplify right side
    36,505,478,681.69x = 1,019,111,660,516,924,325,888
  5. Step 5: Solve for x
    x = 1,019,111,660,516,924,325,888/36,505,478,681.69
  6. Step 6: Final answer
    x = 27,916,677,093.95

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Double scale
Find fourth proportional to 36,505,478,682.69, 50,377,856,374.10 and 20,229,357,379.31
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.