Home / 694,810,868.29-1,042,249,821.93-228,461,967.54

Finding the Fourth Proportional to 694,810,868.29, 1,042,249,821.93 and 228,461,967.54

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Solution

The fourth proportional to 694,810,868.29, 1,042,249,821.93 and 228,461,967.54 is: 342,703,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,810,868.29 : 1,042,249,821.93 = 228,461,967.54 : x
  2. Step 2: Convert to fraction form
    694,810,868.29/1,042,249,821.93 = 228,461,967.54/x
  3. Step 3: Cross multiply
    694,810,868.29x = 1,042,249,821.93 × 228,461,967.54
  4. Step 4: Simplify right side
    694,810,868.29x = 238,114,444,986,342,432
  5. Step 5: Solve for x
    x = 238,114,444,986,342,432/694,810,868.29
  6. Step 6: Final answer
    x = 342,703,972.91

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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.