Home / 317,322,336.36-437,947,555.30-178,100,714.28

Finding the Fourth Proportional to 317,322,336.36, 437,947,555.30 and 178,100,714.28

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Solution

The fourth proportional to 317,322,336.36, 437,947,555.30 and 178,100,714.28 is: 245,802,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,322,336.36 : 437,947,555.30 = 178,100,714.28 : x
  2. Step 2: Convert to fraction form
    317,322,336.36/437,947,555.30 = 178,100,714.28/x
  3. Step 3: Cross multiply
    317,322,336.36x = 437,947,555.30 × 178,100,714.28
  4. Step 4: Simplify right side
    317,322,336.36x = 77,998,772,416,109,808
  5. Step 5: Solve for x
    x = 77,998,772,416,109,808/317,322,336.36
  6. Step 6: Final answer
    x = 245,802,969.03

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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.