Home / 340,719,676.87-470,192,224.72-190,012,496.32

Finding the Fourth Proportional to 340,719,676.87, 470,192,224.72 and 190,012,496.32

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Solution

The fourth proportional to 340,719,676.87, 470,192,224.72 and 190,012,496.32 is: 262,216,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,719,676.87 : 470,192,224.72 = 190,012,496.32 : x
  2. Step 2: Convert to fraction form
    340,719,676.87/470,192,224.72 = 190,012,496.32/x
  3. Step 3: Cross multiply
    340,719,676.87x = 470,192,224.72 × 190,012,496.32
  4. Step 4: Simplify right side
    340,719,676.87x = 89,342,398,369,301,616
  5. Step 5: Solve for x
    x = 89,342,398,369,301,616/340,719,676.87
  6. Step 6: Final answer
    x = 262,216,726.64

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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.