Home / 369,997,531,915.32-554,888,629,572.68-143,306,423,324.55

Finding the Fourth Proportional to 369,997,531,915.32, 554,888,629,572.68 and 143,306,423,324.55

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Solution

The fourth proportional to 369,997,531,915.32, 554,888,629,572.68 and 143,306,423,324.55 is: 214,917,933,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,997,531,915.32 : 554,888,629,572.68 = 143,306,423,324.55 : x
  2. Step 2: Convert to fraction form
    369,997,531,915.32/554,888,629,572.68 = 143,306,423,324.55/x
  3. Step 3: Cross multiply
    369,997,531,915.32x = 554,888,629,572.68 × 143,306,423,324.55
  4. Step 4: Simplify right side
    369,997,531,915.32x = 79,519,104,847,521,890,959,360
  5. Step 5: Solve for x
    x = 79,519,104,847,521,890,959,360/369,997,531,915.32
  6. Step 6: Final answer
    x = 214,917,933,197.79

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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.