Home / 322,691,552.65-484,270,495.98-128,491,048.36

Finding the Fourth Proportional to 322,691,552.65, 484,270,495.98 and 128,491,048.36

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Solution

The fourth proportional to 322,691,552.65, 484,270,495.98 and 128,491,048.36 is: 192,829,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,691,552.65 : 484,270,495.98 = 128,491,048.36 : x
  2. Step 2: Convert to fraction form
    322,691,552.65/484,270,495.98 = 128,491,048.36/x
  3. Step 3: Cross multiply
    322,691,552.65x = 484,270,495.98 × 128,491,048.36
  4. Step 4: Simplify right side
    322,691,552.65x = 62,224,423,718,287,368
  5. Step 5: Solve for x
    x = 62,224,423,718,287,368/322,691,552.65
  6. Step 6: Final answer
    x = 192,829,416.23

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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.