Home / 19,049,378,963.52-26,289,615,205.44-11,428,711,649.40

Finding the Fourth Proportional to 19,049,378,963.52, 26,289,615,205.44 and 11,428,711,649.40

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Solution

The fourth proportional to 19,049,378,963.52, 26,289,615,205.44 and 11,428,711,649.40 is: 15,772,505,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049,378,963.52 : 26,289,615,205.44 = 11,428,711,649.40 : x
  2. Step 2: Convert to fraction form
    19,049,378,963.52/26,289,615,205.44 = 11,428,711,649.40/x
  3. Step 3: Cross multiply
    19,049,378,963.52x = 26,289,615,205.44 × 11,428,711,649.40
  4. Step 4: Simplify right side
    19,049,378,963.52x = 300,456,431,556,655,448,064
  5. Step 5: Solve for x
    x = 300,456,431,556,655,448,064/19,049,378,963.52
  6. Step 6: Final answer
    x = 15,772,505,346.87

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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.