Home / 15,101,008,634.88-20,841,846,596.64-9,085,594,101.12

Finding the Fourth Proportional to 15,101,008,634.88, 20,841,846,596.64 and 9,085,594,101.12

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Solution

The fourth proportional to 15,101,008,634.88, 20,841,846,596.64 and 9,085,594,101.12 is: 12,539,596,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101,008,634.88 : 20,841,846,596.64 = 9,085,594,101.12 : x
  2. Step 2: Convert to fraction form
    15,101,008,634.88/20,841,846,596.64 = 9,085,594,101.12/x
  3. Step 3: Cross multiply
    15,101,008,634.88x = 20,841,846,596.64 × 9,085,594,101.12
  4. Step 4: Simplify right side
    15,101,008,634.88x = 189,360,558,494,880,333,824
  5. Step 5: Solve for x
    x = 189,360,558,494,880,333,824/15,101,008,634.88
  6. Step 6: Final answer
    x = 12,539,596,729.82

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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.