Home / 464,256,360-640,673,763.84-255,408,007.68

Finding the Fourth Proportional to 464,256,360, 640,673,763.84 and 255,408,007.68

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Solution

The fourth proportional to 464,256,360, 640,673,763.84 and 255,408,007.68 is: 352,463,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,256,360 : 640,673,763.84 = 255,408,007.68 : x
  2. Step 2: Convert to fraction form
    464,256,360/640,673,763.84 = 255,408,007.68/x
  3. Step 3: Cross multiply
    464,256,360x = 640,673,763.84 × 255,408,007.68
  4. Step 4: Simplify right side
    464,256,360x = 163,633,209,595,221,248
  5. Step 5: Solve for x
    x = 163,633,209,595,221,248/464,256,360
  6. Step 6: Final answer
    x = 352,463,043.47

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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.