Home / 887,928,818.21-1,331,287,865.64-450,385,799.34

Finding the Fourth Proportional to 887,928,818.21, 1,331,287,865.64 and 450,385,799.34

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Solution

The fourth proportional to 887,928,818.21, 1,331,287,865.64 and 450,385,799.34 is: 675,271,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,928,818.21 : 1,331,287,865.64 = 450,385,799.34 : x
  2. Step 2: Convert to fraction form
    887,928,818.21/1,331,287,865.64 = 450,385,799.34/x
  3. Step 3: Cross multiply
    887,928,818.21x = 1,331,287,865.64 × 450,385,799.34
  4. Step 4: Simplify right side
    887,928,818.21x = 599,593,149,517,913,984
  5. Step 5: Solve for x
    x = 599,593,149,517,913,984/887,928,818.21
  6. Step 6: Final answer
    x = 675,271,640.27

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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.