Home / 1,085,643,455.52-1,628,196,141.20-309,295,842.29

Finding the Fourth Proportional to 1,085,643,455.52, 1,628,196,141.20 and 309,295,842.29

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Solution

The fourth proportional to 1,085,643,455.52, 1,628,196,141.20 and 309,295,842.29 is: 463,867,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,643,455.52 : 1,628,196,141.20 = 309,295,842.29 : x
  2. Step 2: Convert to fraction form
    1,085,643,455.52/1,628,196,141.20 = 309,295,842.29/x
  3. Step 3: Cross multiply
    1,085,643,455.52x = 1,628,196,141.20 × 309,295,842.29
  4. Step 4: Simplify right side
    1,085,643,455.52x = 503,594,296,896,094,336
  5. Step 5: Solve for x
    x = 503,594,296,896,094,336/1,085,643,455.52
  6. Step 6: Final answer
    x = 463,867,114.32

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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.