Home / 353,223,455.94-487,439,766.23-194,452,288.47

Finding the Fourth Proportional to 353,223,455.94, 487,439,766.23 and 194,452,288.47

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Solution

The fourth proportional to 353,223,455.94, 487,439,766.23 and 194,452,288.47 is: 268,339,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223,455.94 : 487,439,766.23 = 194,452,288.47 : x
  2. Step 2: Convert to fraction form
    353,223,455.94/487,439,766.23 = 194,452,288.47/x
  3. Step 3: Cross multiply
    353,223,455.94x = 487,439,766.23 × 194,452,288.47
  4. Step 4: Simplify right side
    353,223,455.94x = 94,783,778,033,733,072
  5. Step 5: Solve for x
    x = 94,783,778,033,733,072/353,223,455.94
  6. Step 6: Final answer
    x = 268,339,422.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.