Home / 468,410,443.79-646,410,238.31-259,570,073.21

Finding the Fourth Proportional to 468,410,443.79, 646,410,238.31 and 259,570,073.21

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Solution

The fourth proportional to 468,410,443.79, 646,410,238.31 and 259,570,073.21 is: 358,208,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,410,443.79 : 646,410,238.31 = 259,570,073.21 : x
  2. Step 2: Convert to fraction form
    468,410,443.79/646,410,238.31 = 259,570,073.21/x
  3. Step 3: Cross multiply
    468,410,443.79x = 646,410,238.31 × 259,570,073.21
  4. Step 4: Simplify right side
    468,410,443.79x = 167,788,752,879,237,120
  5. Step 5: Solve for x
    x = 167,788,752,879,237,120/468,410,443.79
  6. Step 6: Final answer
    x = 358,208,821.14

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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.