Home / 18,551,838,458.10-27,827,757,687.15-9,705,258,995.70

Finding the Fourth Proportional to 18,551,838,458.10, 27,827,757,687.15 and 9,705,258,995.70

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Solution

The fourth proportional to 18,551,838,458.10, 27,827,757,687.15 and 9,705,258,995.70 is: 14,557,888,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,458.10 : 27,827,757,687.15 = 9,705,258,995.70 : x
  2. Step 2: Convert to fraction form
    18,551,838,458.10/27,827,757,687.15 = 9,705,258,995.70/x
  3. Step 3: Cross multiply
    18,551,838,458.10x = 27,827,757,687.15 × 9,705,258,995.70
  4. Step 4: Simplify right side
    18,551,838,458.10x = 270,075,595,623,372,390,400
  5. Step 5: Solve for x
    x = 270,075,595,623,372,390,400/18,551,838,458.10
  6. Step 6: Final answer
    x = 14,557,888,493.55

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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.