Home / 340,719,678.12-470,192,226.45-190,012,497.57

Finding the Fourth Proportional to 340,719,678.12, 470,192,226.45 and 190,012,497.57

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Solution

The fourth proportional to 340,719,678.12, 470,192,226.45 and 190,012,497.57 is: 262,216,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,719,678.12 : 470,192,226.45 = 190,012,497.57 : x
  2. Step 2: Convert to fraction form
    340,719,678.12/470,192,226.45 = 190,012,497.57/x
  3. Step 3: Cross multiply
    340,719,678.12x = 470,192,226.45 × 190,012,497.57
  4. Step 4: Simplify right side
    340,719,678.12x = 89,342,399,285,763,504
  5. Step 5: Solve for x
    x = 89,342,399,285,763,504/340,719,678.12
  6. Step 6: Final answer
    x = 262,216,728.36

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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.