Home / 694,810,872.03-1,042,249,827.57-228,461,971.29

Finding the Fourth Proportional to 694,810,872.03, 1,042,249,827.57 and 228,461,971.29

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Solution

The fourth proportional to 694,810,872.03, 1,042,249,827.57 and 228,461,971.29 is: 342,703,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,810,872.03 : 1,042,249,827.57 = 228,461,971.29 : x
  2. Step 2: Convert to fraction form
    694,810,872.03/1,042,249,827.57 = 228,461,971.29/x
  3. Step 3: Cross multiply
    694,810,872.03x = 1,042,249,827.57 × 228,461,971.29
  4. Step 4: Simplify right side
    694,810,872.03x = 238,114,450,183,304,800
  5. Step 5: Solve for x
    x = 238,114,450,183,304,800/694,810,872.03
  6. Step 6: Final answer
    x = 342,703,978.55

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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.