Home / 941,915,542.91-1,413,085,955.61-311,646,108.59

Finding the Fourth Proportional to 941,915,542.91, 1,413,085,955.61 and 311,646,108.59

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Solution

The fourth proportional to 941,915,542.91, 1,413,085,955.61 and 311,646,108.59 is: 467,539,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,915,542.91 : 1,413,085,955.61 = 311,646,108.59 : x
  2. Step 2: Convert to fraction form
    941,915,542.91/1,413,085,955.61 = 311,646,108.59/x
  3. Step 3: Cross multiply
    941,915,542.91x = 1,413,085,955.61 × 311,646,108.59
  4. Step 4: Simplify right side
    941,915,542.91x = 440,382,739,161,972,480
  5. Step 5: Solve for x
    x = 440,382,739,161,972,480/941,915,542.91
  6. Step 6: Final answer
    x = 467,539,518.25

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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.