Home / 853,136,150.94-1,279,752,055.83-239,672,547.54

Finding the Fourth Proportional to 853,136,150.94, 1,279,752,055.83 and 239,672,547.54

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Solution

The fourth proportional to 853,136,150.94, 1,279,752,055.83 and 239,672,547.54 is: 359,522,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,136,150.94 : 1,279,752,055.83 = 239,672,547.54 : x
  2. Step 2: Convert to fraction form
    853,136,150.94/1,279,752,055.83 = 239,672,547.54/x
  3. Step 3: Cross multiply
    853,136,150.94x = 1,279,752,055.83 × 239,672,547.54
  4. Step 4: Simplify right side
    853,136,150.94x = 306,721,435,440,328,384
  5. Step 5: Solve for x
    x = 306,721,435,440,328,384/853,136,150.94
  6. Step 6: Final answer
    x = 359,522,258.09

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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.