Home / 410,980,307.40-616,470,449.19-189,586,143.88

Finding the Fourth Proportional to 410,980,307.40, 616,470,449.19 and 189,586,143.88

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Solution

The fourth proportional to 410,980,307.40, 616,470,449.19 and 189,586,143.88 is: 284,379,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,980,307.40 : 616,470,449.19 = 189,586,143.88 : x
  2. Step 2: Convert to fraction form
    410,980,307.40/616,470,449.19 = 189,586,143.88/x
  3. Step 3: Cross multiply
    410,980,307.40x = 616,470,449.19 × 189,586,143.88
  4. Step 4: Simplify right side
    410,980,307.40x = 116,874,255,275,538,912
  5. Step 5: Solve for x
    x = 116,874,255,275,538,912/410,980,307.40
  6. Step 6: Final answer
    x = 284,379,210.32

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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.