Home / 464,116,250.57-640,492,542.47-255,277,872.59

Finding the Fourth Proportional to 464,116,250.57, 640,492,542.47 and 255,277,872.59

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Solution

The fourth proportional to 464,116,250.57, 640,492,542.47 and 255,277,872.59 is: 352,290,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,116,250.57 : 640,492,542.47 = 255,277,872.59 : x
  2. Step 2: Convert to fraction form
    464,116,250.57/640,492,542.47 = 255,277,872.59/x
  3. Step 3: Cross multiply
    464,116,250.57x = 640,492,542.47 × 255,277,872.59
  4. Step 4: Simplify right side
    464,116,250.57x = 163,503,573,648,937,568
  5. Step 5: Solve for x
    x = 163,503,573,648,937,568/464,116,250.57
  6. Step 6: Final answer
    x = 352,290,128.71

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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.