Home / 410,980,307.78-616,470,449.76-189,586,144.25

Finding the Fourth Proportional to 410,980,307.78, 616,470,449.76 and 189,586,144.25

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Solution

The fourth proportional to 410,980,307.78, 616,470,449.76 and 189,586,144.25 is: 284,379,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,980,307.78 : 616,470,449.76 = 189,586,144.25 : x
  2. Step 2: Convert to fraction form
    410,980,307.78/616,470,449.76 = 189,586,144.25/x
  3. Step 3: Cross multiply
    410,980,307.78x = 616,470,449.76 × 189,586,144.25
  4. Step 4: Simplify right side
    410,980,307.78x = 116,874,255,612,580,208
  5. Step 5: Solve for x
    x = 116,874,255,612,580,208/410,980,307.78
  6. Step 6: Final answer
    x = 284,379,210.88

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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.