Home / 881,375,570.08-1,216,298,231.15-484,890,053.86

Finding the Fourth Proportional to 881,375,570.08, 1,216,298,231.15 and 484,890,053.86

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Solution

The fourth proportional to 881,375,570.08, 1,216,298,231.15 and 484,890,053.86 is: 669,148,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,375,570.08 : 1,216,298,231.15 = 484,890,053.86 : x
  2. Step 2: Convert to fraction form
    881,375,570.08/1,216,298,231.15 = 484,890,053.86/x
  3. Step 3: Cross multiply
    881,375,570.08x = 1,216,298,231.15 × 484,890,053.86
  4. Step 4: Simplify right side
    881,375,570.08x = 589,770,914,811,242,112
  5. Step 5: Solve for x
    x = 589,770,914,811,242,112/881,375,570.08
  6. Step 6: Final answer
    x = 669,148,243.76

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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.