Home / 13,679,258,481.28-18,877,232,422.08-7,657,813,338.88

Finding the Fourth Proportional to 13,679,258,481.28, 18,877,232,422.08 and 7,657,813,338.88

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Solution

The fourth proportional to 13,679,258,481.28, 18,877,232,422.08 and 7,657,813,338.88 is: 10,567,701,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,258,481.28 : 18,877,232,422.08 = 7,657,813,338.88 : x
  2. Step 2: Convert to fraction form
    13,679,258,481.28/18,877,232,422.08 = 7,657,813,338.88/x
  3. Step 3: Cross multiply
    13,679,258,481.28x = 18,877,232,422.08 × 7,657,813,338.88
  4. Step 4: Simplify right side
    13,679,258,481.28x = 144,558,322,242,942,255,104
  5. Step 5: Solve for x
    x = 144,558,322,242,942,255,104/13,679,258,481.28
  6. Step 6: Final answer
    x = 10,567,701,636.81

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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.