Home / 13,161,261,977.22-18,162,541,528.02-7,522,598,897.76

Finding the Fourth Proportional to 13,161,261,977.22, 18,162,541,528.02 and 7,522,598,897.76

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Solution

The fourth proportional to 13,161,261,977.22, 18,162,541,528.02 and 7,522,598,897.76 is: 10,381,186,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,261,977.22 : 18,162,541,528.02 = 7,522,598,897.76 : x
  2. Step 2: Convert to fraction form
    13,161,261,977.22/18,162,541,528.02 = 7,522,598,897.76/x
  3. Step 3: Cross multiply
    13,161,261,977.22x = 18,162,541,528.02 × 7,522,598,897.76
  4. Step 4: Simplify right side
    13,161,261,977.22x = 136,629,514,879,203,491,840
  5. Step 5: Solve for x
    x = 136,629,514,879,203,491,840/13,161,261,977.22
  6. Step 6: Final answer
    x = 10,381,186,478.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.