Home / 20,260,556,057.40-27,959,546,154.12-11,349,947,533.56

Finding the Fourth Proportional to 20,260,556,057.40, 27,959,546,154.12 and 11,349,947,533.56

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Solution

The fourth proportional to 20,260,556,057.40, 27,959,546,154.12 and 11,349,947,533.56 is: 15,662,915,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260,556,057.40 : 27,959,546,154.12 = 11,349,947,533.56 : x
  2. Step 2: Convert to fraction form
    20,260,556,057.40/27,959,546,154.12 = 11,349,947,533.56/x
  3. Step 3: Cross multiply
    20,260,556,057.40x = 27,959,546,154.12 × 11,349,947,533.56
  4. Step 4: Simplify right side
    20,260,556,057.40x = 317,339,381,911,411,228,672
  5. Step 5: Solve for x
    x = 317,339,381,911,411,228,672/20,260,556,057.40
  6. Step 6: Final answer
    x = 15,662,915,717.24

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Double scale
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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.