Home / 464,101,682.19-640,478,595.32-255,277,255.65

Finding the Fourth Proportional to 464,101,682.19, 640,478,595.32 and 255,277,255.65

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Solution

The fourth proportional to 464,101,682.19, 640,478,595.32 and 255,277,255.65 is: 352,292,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,101,682.19 : 640,478,595.32 = 255,277,255.65 : x
  2. Step 2: Convert to fraction form
    464,101,682.19/640,478,595.32 = 255,277,255.65/x
  3. Step 3: Cross multiply
    464,101,682.19x = 640,478,595.32 × 255,277,255.65
  4. Step 4: Simplify right side
    464,101,682.19x = 163,499,618,115,856,544
  5. Step 5: Solve for x
    x = 163,499,618,115,856,544/464,101,682.19
  6. Step 6: Final answer
    x = 352,292,664.28

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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.