Home / 1,085,643,803.74-1,628,196,663.57-309,296,190.37

Finding the Fourth Proportional to 1,085,643,803.74, 1,628,196,663.57 and 309,296,190.37

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Solution

The fourth proportional to 1,085,643,803.74, 1,628,196,663.57 and 309,296,190.37 is: 463,867,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,643,803.74 : 1,628,196,663.57 = 309,296,190.37 : x
  2. Step 2: Convert to fraction form
    1,085,643,803.74/1,628,196,663.57 = 309,296,190.37/x
  3. Step 3: Cross multiply
    1,085,643,803.74x = 1,628,196,663.57 × 309,296,190.37
  4. Step 4: Simplify right side
    1,085,643,803.74x = 503,595,025,215,345,536
  5. Step 5: Solve for x
    x = 503,595,025,215,345,536/1,085,643,803.74
  6. Step 6: Final answer
    x = 463,867,636.40

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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.