Home / 13,445,258,819.40-20,171,415,422.70-5,164,416,016.20

Finding the Fourth Proportional to 13,445,258,819.40, 20,171,415,422.70 and 5,164,416,016.20

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Solution

The fourth proportional to 13,445,258,819.40, 20,171,415,422.70 and 5,164,416,016.20 is: 7,747,978,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,258,819.40 : 20,171,415,422.70 = 5,164,416,016.20 : x
  2. Step 2: Convert to fraction form
    13,445,258,819.40/20,171,415,422.70 = 5,164,416,016.20/x
  3. Step 3: Cross multiply
    13,445,258,819.40x = 20,171,415,422.70 × 5,164,416,016.20
  4. Step 4: Simplify right side
    13,445,258,819.40x = 104,173,580,878,415,577,088
  5. Step 5: Solve for x
    x = 104,173,580,878,415,577,088/13,445,258,819.40
  6. Step 6: Final answer
    x = 7,747,978,843.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.