Home / 855,263,076.94-1,180,263,055.80-464,122,500.94

Finding the Fourth Proportional to 855,263,076.94, 1,180,263,055.80 and 464,122,500.94

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Solution

The fourth proportional to 855,263,076.94, 1,180,263,055.80 and 464,122,500.94 is: 640,489,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,263,076.94 : 1,180,263,055.80 = 464,122,500.94 : x
  2. Step 2: Convert to fraction form
    855,263,076.94/1,180,263,055.80 = 464,122,500.94/x
  3. Step 3: Cross multiply
    855,263,076.94x = 1,180,263,055.80 × 464,122,500.94
  4. Step 4: Simplify right side
    855,263,076.94x = 547,786,641,224,982,720
  5. Step 5: Solve for x
    x = 547,786,641,224,982,720/855,263,076.94
  6. Step 6: Final answer
    x = 640,489,056.52

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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.