Home / 12,261,918,563.60-18,392,877,845.40-7,102,138,211.60

Finding the Fourth Proportional to 12,261,918,563.60, 18,392,877,845.40 and 7,102,138,211.60

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Solution

The fourth proportional to 12,261,918,563.60, 18,392,877,845.40 and 7,102,138,211.60 is: 10,653,207,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,918,563.60 : 18,392,877,845.40 = 7,102,138,211.60 : x
  2. Step 2: Convert to fraction form
    12,261,918,563.60/18,392,877,845.40 = 7,102,138,211.60/x
  3. Step 3: Cross multiply
    12,261,918,563.60x = 18,392,877,845.40 × 7,102,138,211.60
  4. Step 4: Simplify right side
    12,261,918,563.60x = 130,628,760,567,106,437,120
  5. Step 5: Solve for x
    x = 130,628,760,567,106,437,120/12,261,918,563.60
  6. Step 6: Final answer
    x = 10,653,207,317.40

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Double scale
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Similar ratio
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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.