Home / 340,259,906.80-509,256,119.40-313,050,127.60

Finding the Fourth Proportional to 340,259,906.80, 509,256,119.40 and 313,050,127.60

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Solution

The fourth proportional to 340,259,906.80, 509,256,119.40 and 313,050,127.60 is: 468,532,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,259,906.80 : 509,256,119.40 = 313,050,127.60 : x
  2. Step 2: Convert to fraction form
    340,259,906.80/509,256,119.40 = 313,050,127.60/x
  3. Step 3: Cross multiply
    340,259,906.80x = 509,256,119.40 × 313,050,127.60
  4. Step 4: Simplify right side
    340,259,906.80x = 159,422,693,159,250,848
  5. Step 5: Solve for x
    x = 159,422,693,159,250,848/340,259,906.80
  6. Step 6: Final answer
    x = 468,532,113.17

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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.