Home / 464,045,504-640,370,006.40-255,201,641.60

Finding the Fourth Proportional to 464,045,504, 640,370,006.40 and 255,201,641.60

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Solution

The fourth proportional to 464,045,504, 640,370,006.40 and 255,201,641.60 is: 352,171,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,045,504 : 640,370,006.40 = 255,201,641.60 : x
  2. Step 2: Convert to fraction form
    464,045,504/640,370,006.40 = 255,201,641.60/x
  3. Step 3: Cross multiply
    464,045,504x = 640,370,006.40 × 255,201,641.60
  4. Step 4: Simplify right side
    464,045,504x = 163,423,476,864,682,496
  5. Step 5: Solve for x
    x = 163,423,476,864,682,496/464,045,504
  6. Step 6: Final answer
    x = 352,171,232.04

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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.