Home / 20,779,081,500.24-31,179,338,200.44-9,738,719,188.56

Finding the Fourth Proportional to 20,779,081,500.24, 31,179,338,200.44 and 9,738,719,188.56

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Solution

The fourth proportional to 20,779,081,500.24, 31,179,338,200.44 and 9,738,719,188.56 is: 14,613,101,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,081,500.24 : 31,179,338,200.44 = 9,738,719,188.56 : x
  2. Step 2: Convert to fraction form
    20,779,081,500.24/31,179,338,200.44 = 9,738,719,188.56/x
  3. Step 3: Cross multiply
    20,779,081,500.24x = 31,179,338,200.44 × 9,738,719,188.56
  4. Step 4: Simplify right side
    20,779,081,500.24x = 303,646,819,219,226,820,608
  5. Step 5: Solve for x
    x = 303,646,819,219,226,820,608/20,779,081,500.24
  6. Step 6: Final answer
    x = 14,613,101,123.63

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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.