Home / 28,189,622,629.74-38,902,702,055.91-16,148,960,525.94

Finding the Fourth Proportional to 28,189,622,629.74, 38,902,702,055.91 and 16,148,960,525.94

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Solution

The fourth proportional to 28,189,622,629.74, 38,902,702,055.91 and 16,148,960,525.94 is: 22,286,151,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,622,629.74 : 38,902,702,055.91 = 16,148,960,525.94 : x
  2. Step 2: Convert to fraction form
    28,189,622,629.74/38,902,702,055.91 = 16,148,960,525.94/x
  3. Step 3: Cross multiply
    28,189,622,629.74x = 38,902,702,055.91 × 16,148,960,525.94
  4. Step 4: Simplify right side
    28,189,622,629.74x = 628,238,199,853,295,599,616
  5. Step 5: Solve for x
    x = 628,238,199,853,295,599,616/28,189,622,629.74
  6. Step 6: Final answer
    x = 22,286,151,471.59

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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.