Home / 821,382,786.18-1,133,563,858.23-464,026,620.60

Finding the Fourth Proportional to 821,382,786.18, 1,133,563,858.23 and 464,026,620.60

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Solution

The fourth proportional to 821,382,786.18, 1,133,563,858.23 and 464,026,620.60 is: 640,388,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,786.18 : 1,133,563,858.23 = 464,026,620.60 : x
  2. Step 2: Convert to fraction form
    821,382,786.18/1,133,563,858.23 = 464,026,620.60/x
  3. Step 3: Cross multiply
    821,382,786.18x = 1,133,563,858.23 × 464,026,620.60
  4. Step 4: Simplify right side
    821,382,786.18x = 526,003,806,368,764,416
  5. Step 5: Solve for x
    x = 526,003,806,368,764,416/821,382,786.18
  6. Step 6: Final answer
    x = 640,388,154.24

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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.