Home / 27,966,265,236.64-38,593,461,508.61-15,105,905,129.86

Finding the Fourth Proportional to 27,966,265,236.64, 38,593,461,508.61 and 15,105,905,129.86

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Solution

The fourth proportional to 27,966,265,236.64, 38,593,461,508.61 and 15,105,905,129.86 is: 20,846,157,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966,265,236.64 : 38,593,461,508.61 = 15,105,905,129.86 : x
  2. Step 2: Convert to fraction form
    27,966,265,236.64/38,593,461,508.61 = 15,105,905,129.86/x
  3. Step 3: Cross multiply
    27,966,265,236.64x = 38,593,461,508.61 × 15,105,905,129.86
  4. Step 4: Simplify right side
    27,966,265,236.64x = 582,989,168,181,998,125,056
  5. Step 5: Solve for x
    x = 582,989,168,181,998,125,056/27,966,265,236.64
  6. Step 6: Final answer
    x = 20,846,157,441.80

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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.