Home / 353,223,456.94-487,439,767.60-194,452,289.47

Finding the Fourth Proportional to 353,223,456.94, 487,439,767.60 and 194,452,289.47

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Solution

The fourth proportional to 353,223,456.94, 487,439,767.60 and 194,452,289.47 is: 268,339,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223,456.94 : 487,439,767.60 = 194,452,289.47 : x
  2. Step 2: Convert to fraction form
    353,223,456.94/487,439,767.60 = 194,452,289.47/x
  3. Step 3: Cross multiply
    353,223,456.94x = 487,439,767.60 × 194,452,289.47
  4. Step 4: Simplify right side
    353,223,456.94x = 94,783,778,788,544,736
  5. Step 5: Solve for x
    x = 94,783,778,788,544,736/353,223,456.94
  6. Step 6: Final answer
    x = 268,339,423.46

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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.