Home / 694,810,871.28-1,042,249,826.45-228,461,970.54

Finding the Fourth Proportional to 694,810,871.28, 1,042,249,826.45 and 228,461,970.54

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Solution

The fourth proportional to 694,810,871.28, 1,042,249,826.45 and 228,461,970.54 is: 342,703,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,810,871.28 : 1,042,249,826.45 = 228,461,970.54 : x
  2. Step 2: Convert to fraction form
    694,810,871.28/1,042,249,826.45 = 228,461,970.54/x
  3. Step 3: Cross multiply
    694,810,871.28x = 1,042,249,826.45 × 228,461,970.54
  4. Step 4: Simplify right side
    694,810,871.28x = 238,114,449,144,597,696
  5. Step 5: Solve for x
    x = 238,114,449,144,597,696/694,810,871.28
  6. Step 6: Final answer
    x = 342,703,977.42

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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.