Home / 841,187,879.88-1,160,836,420.19-464,833,960.80

Finding the Fourth Proportional to 841,187,879.88, 1,160,836,420.19 and 464,833,960.80

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Solution

The fourth proportional to 841,187,879.88, 1,160,836,420.19 and 464,833,960.80 is: 641,469,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,187,879.88 : 1,160,836,420.19 = 464,833,960.80 : x
  2. Step 2: Convert to fraction form
    841,187,879.88/1,160,836,420.19 = 464,833,960.80/x
  3. Step 3: Cross multiply
    841,187,879.88x = 1,160,836,420.19 × 464,833,960.80
  4. Step 4: Simplify right side
    841,187,879.88x = 539,596,191,037,810,816
  5. Step 5: Solve for x
    x = 539,596,191,037,810,816/841,187,879.88
  6. Step 6: Final answer
    x = 641,469,288.78

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1.5x scale

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.