Home / 854,269,460.78-1,178,883,171.06-472,792,237.83

Finding the Fourth Proportional to 854,269,460.78, 1,178,883,171.06 and 472,792,237.83

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Solution

The fourth proportional to 854,269,460.78, 1,178,883,171.06 and 472,792,237.83 is: 652,448,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,269,460.78 : 1,178,883,171.06 = 472,792,237.83 : x
  2. Step 2: Convert to fraction form
    854,269,460.78/1,178,883,171.06 = 472,792,237.83/x
  3. Step 3: Cross multiply
    854,269,460.78x = 1,178,883,171.06 × 472,792,237.83
  4. Step 4: Simplify right side
    854,269,460.78x = 557,366,812,585,584,064
  5. Step 5: Solve for x
    x = 557,366,812,585,584,064/854,269,460.78
  6. Step 6: Final answer
    x = 652,448,481.63

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Double scale
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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.