Home / 1,296,660,853.50-1,789,391,598.78-701,944,896.60

Finding the Fourth Proportional to 1,296,660,853.50, 1,789,391,598.78 and 701,944,896.60

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Solution

The fourth proportional to 1,296,660,853.50, 1,789,391,598.78 and 701,944,896.60 is: 968,683,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,660,853.50 : 1,789,391,598.78 = 701,944,896.60 : x
  2. Step 2: Convert to fraction form
    1,296,660,853.50/1,789,391,598.78 = 701,944,896.60/x
  3. Step 3: Cross multiply
    1,296,660,853.50x = 1,789,391,598.78 × 701,944,896.60
  4. Step 4: Simplify right side
    1,296,660,853.50x = 1,256,054,300,782,535,936
  5. Step 5: Solve for x
    x = 1,256,054,300,782,535,936/1,296,660,853.50
  6. Step 6: Final answer
    x = 968,683,752.11

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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.