Home / 12,519,374,977.20-18,779,062,465.80-6,714,622,081.20

Finding the Fourth Proportional to 12,519,374,977.20, 18,779,062,465.80 and 6,714,622,081.20

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Solution

The fourth proportional to 12,519,374,977.20, 18,779,062,465.80 and 6,714,622,081.20 is: 10,071,933,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,374,977.20 : 18,779,062,465.80 = 6,714,622,081.20 : x
  2. Step 2: Convert to fraction form
    12,519,374,977.20/18,779,062,465.80 = 6,714,622,081.20/x
  3. Step 3: Cross multiply
    12,519,374,977.20x = 18,779,062,465.80 × 6,714,622,081.20
  4. Step 4: Simplify right side
    12,519,374,977.20x = 126,094,307,497,094,791,168
  5. Step 5: Solve for x
    x = 126,094,307,497,094,791,168/12,519,374,977.20
  6. Step 6: Final answer
    x = 10,071,933,121.80

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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.