Home / 339,887,343,525.82-469,256,253,012.80-216,358,208,050.60

Finding the Fourth Proportional to 339,887,343,525.82, 469,256,253,012.80 and 216,358,208,050.60

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Solution

The fourth proportional to 339,887,343,525.82, 469,256,253,012.80 and 216,358,208,050.60 is: 298,709,098,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,887,343,525.82 : 469,256,253,012.80 = 216,358,208,050.60 : x
  2. Step 2: Convert to fraction form
    339,887,343,525.82/469,256,253,012.80 = 216,358,208,050.60/x
  3. Step 3: Cross multiply
    339,887,343,525.82x = 469,256,253,012.80 × 216,358,208,050.60
  4. Step 4: Simplify right side
    339,887,343,525.82x = 101,527,442,018,388,370,522,112
  5. Step 5: Solve for x
    x = 101,527,442,018,388,370,522,112/339,887,343,525.82
  6. Step 6: Final answer
    x = 298,709,098,624.25

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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.