Home / 20,102,422,841.88-27,740,448,669.52-11,522,698,661.86

Finding the Fourth Proportional to 20,102,422,841.88, 27,740,448,669.52 and 11,522,698,661.86

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Solution

The fourth proportional to 20,102,422,841.88, 27,740,448,669.52 and 11,522,698,661.86 is: 15,900,811,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,422,841.88 : 27,740,448,669.52 = 11,522,698,661.86 : x
  2. Step 2: Convert to fraction form
    20,102,422,841.88/27,740,448,669.52 = 11,522,698,661.86/x
  3. Step 3: Cross multiply
    20,102,422,841.88x = 27,740,448,669.52 × 11,522,698,661.86
  4. Step 4: Simplify right side
    20,102,422,841.88x = 319,644,830,763,674,173,440
  5. Step 5: Solve for x
    x = 319,644,830,763,674,173,440/20,102,422,841.88
  6. Step 6: Final answer
    x = 15,900,811,224.49

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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.