Home / 315,462,245.22-472,770,386.69-245,516,928.69

Finding the Fourth Proportional to 315,462,245.22, 472,770,386.69 and 245,516,928.69

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Solution

The fourth proportional to 315,462,245.22, 472,770,386.69 and 245,516,928.69 is: 367,946,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,462,245.22 : 472,770,386.69 = 245,516,928.69 : x
  2. Step 2: Convert to fraction form
    315,462,245.22/472,770,386.69 = 245,516,928.69/x
  3. Step 3: Cross multiply
    315,462,245.22x = 472,770,386.69 × 245,516,928.69
  4. Step 4: Simplify right side
    315,462,245.22x = 116,073,133,317,647,200
  5. Step 5: Solve for x
    x = 116,073,133,317,647,200/315,462,245.22
  6. Step 6: Final answer
    x = 367,946,196.66

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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.