Home / 18,947,360,353.02-26,146,321,400.81-10,372,128,104.22

Finding the Fourth Proportional to 18,947,360,353.02, 26,146,321,400.81 and 10,372,128,104.22

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Solution

The fourth proportional to 18,947,360,353.02, 26,146,321,400.81 and 10,372,128,104.22 is: 14,312,969,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,360,353.02 : 26,146,321,400.81 = 10,372,128,104.22 : x
  2. Step 2: Convert to fraction form
    18,947,360,353.02/26,146,321,400.81 = 10,372,128,104.22/x
  3. Step 3: Cross multiply
    18,947,360,353.02x = 26,146,321,400.81 × 10,372,128,104.22
  4. Step 4: Simplify right side
    18,947,360,353.02x = 271,192,995,023,310,225,408
  5. Step 5: Solve for x
    x = 271,192,995,023,310,225,408/18,947,360,353.02
  6. Step 6: Final answer
    x = 14,312,969,720.88

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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.