Home / 18,551,838,460.60-27,827,757,690.90-9,705,258,998.20

Finding the Fourth Proportional to 18,551,838,460.60, 27,827,757,690.90 and 9,705,258,998.20

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Solution

The fourth proportional to 18,551,838,460.60, 27,827,757,690.90 and 9,705,258,998.20 is: 14,557,888,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,460.60 : 27,827,757,690.90 = 9,705,258,998.20 : x
  2. Step 2: Convert to fraction form
    18,551,838,460.60/27,827,757,690.90 = 9,705,258,998.20/x
  3. Step 3: Cross multiply
    18,551,838,460.60x = 27,827,757,690.90 × 9,705,258,998.20
  4. Step 4: Simplify right side
    18,551,838,460.60x = 270,075,595,729,336,500,224
  5. Step 5: Solve for x
    x = 270,075,595,729,336,500,224/18,551,838,460.60
  6. Step 6: Final answer
    x = 14,557,888,497.30

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Double scale
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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.