Home / 1,180,287,876.24-1,770,310,490.19-393,256,523.79

Finding the Fourth Proportional to 1,180,287,876.24, 1,770,310,490.19 and 393,256,523.79

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Solution

The fourth proportional to 1,180,287,876.24, 1,770,310,490.19 and 393,256,523.79 is: 589,844,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,287,876.24 : 1,770,310,490.19 = 393,256,523.79 : x
  2. Step 2: Convert to fraction form
    1,180,287,876.24/1,770,310,490.19 = 393,256,523.79/x
  3. Step 3: Cross multiply
    1,180,287,876.24x = 1,770,310,490.19 × 393,256,523.79
  4. Step 4: Simplify right side
    1,180,287,876.24x = 696,186,149,395,744,128
  5. Step 5: Solve for x
    x = 696,186,149,395,744,128/1,180,287,876.24
  6. Step 6: Final answer
    x = 589,844,362.05

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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.