Home / 12,563,988,803.60-18,845,983,205.40-10,629,071,171.60

Finding the Fourth Proportional to 12,563,988,803.60, 18,845,983,205.40 and 10,629,071,171.60

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Solution

The fourth proportional to 12,563,988,803.60, 18,845,983,205.40 and 10,629,071,171.60 is: 15,943,606,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,988,803.60 : 18,845,983,205.40 = 10,629,071,171.60 : x
  2. Step 2: Convert to fraction form
    12,563,988,803.60/18,845,983,205.40 = 10,629,071,171.60/x
  3. Step 3: Cross multiply
    12,563,988,803.60x = 18,845,983,205.40 × 10,629,071,171.60
  4. Step 4: Simplify right side
    12,563,988,803.60x = 200,315,296,788,974,927,872
  5. Step 5: Solve for x
    x = 200,315,296,788,974,927,872/12,563,988,803.60
  6. Step 6: Final answer
    x = 15,943,606,757.40

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Double scale
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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.