Home / 12,161,178,045.20-18,241,767,067.80-7,487,898,467.60

Finding the Fourth Proportional to 12,161,178,045.20, 18,241,767,067.80 and 7,487,898,467.60

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Solution

The fourth proportional to 12,161,178,045.20, 18,241,767,067.80 and 7,487,898,467.60 is: 11,231,847,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,178,045.20 : 18,241,767,067.80 = 7,487,898,467.60 : x
  2. Step 2: Convert to fraction form
    12,161,178,045.20/18,241,767,067.80 = 7,487,898,467.60/x
  3. Step 3: Cross multiply
    12,161,178,045.20x = 18,241,767,067.80 × 7,487,898,467.60
  4. Step 4: Simplify right side
    12,161,178,045.20x = 136,592,499,673,295,765,504
  5. Step 5: Solve for x
    x = 136,592,499,673,295,765,504/12,161,178,045.20
  6. Step 6: Final answer
    x = 11,231,847,701.40

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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.