Home / 2,119,677,653.10-3,179,990,666.20-645,932,803.37

Finding the Fourth Proportional to 2,119,677,653.10, 3,179,990,666.20 and 645,932,803.37

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Solution

The fourth proportional to 2,119,677,653.10, 3,179,990,666.20 and 645,932,803.37 is: 969,043,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,677,653.10 : 3,179,990,666.20 = 645,932,803.37 : x
  2. Step 2: Convert to fraction form
    2,119,677,653.10/3,179,990,666.20 = 645,932,803.37/x
  3. Step 3: Cross multiply
    2,119,677,653.10x = 3,179,990,666.20 × 645,932,803.37
  4. Step 4: Simplify right side
    2,119,677,653.10x = 2,054,060,285,691,485,184
  5. Step 5: Solve for x
    x = 2,054,060,285,691,485,184/2,119,677,653.10
  6. Step 6: Final answer
    x = 969,043,704.68

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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.