Home / 1,091,200,470.78-1,505,857,252.65-589,409,251.32

Finding the Fourth Proportional to 1,091,200,470.78, 1,505,857,252.65 and 589,409,251.32

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Solution

The fourth proportional to 1,091,200,470.78, 1,505,857,252.65 and 589,409,251.32 is: 813,385,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,470.78 : 1,505,857,252.65 = 589,409,251.32 : x
  2. Step 2: Convert to fraction form
    1,091,200,470.78/1,505,857,252.65 = 589,409,251.32/x
  3. Step 3: Cross multiply
    1,091,200,470.78x = 1,505,857,252.65 × 589,409,251.32
  4. Step 4: Simplify right side
    1,091,200,470.78x = 887,566,195,879,228,672
  5. Step 5: Solve for x
    x = 887,566,195,879,228,672/1,091,200,470.78
  6. Step 6: Final answer
    x = 813,385,092.52

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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.