Home / 881,375,573.09-1,216,298,235.29-484,890,056.87

Finding the Fourth Proportional to 881,375,573.09, 1,216,298,235.29 and 484,890,056.87

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Solution

The fourth proportional to 881,375,573.09, 1,216,298,235.29 and 484,890,056.87 is: 669,148,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,375,573.09 : 1,216,298,235.29 = 484,890,056.87 : x
  2. Step 2: Convert to fraction form
    881,375,573.09/1,216,298,235.29 = 484,890,056.87/x
  3. Step 3: Cross multiply
    881,375,573.09x = 1,216,298,235.29 × 484,890,056.87
  4. Step 4: Simplify right side
    881,375,573.09x = 589,770,920,472,142,848
  5. Step 5: Solve for x
    x = 589,770,920,472,142,848/881,375,573.09
  6. Step 6: Final answer
    x = 669,148,247.90

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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.