Home / 639,614,400.96-882,668,168.64-346,258,968.96

Finding the Fourth Proportional to 639,614,400.96, 882,668,168.64 and 346,258,968.96

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Solution

The fourth proportional to 639,614,400.96, 882,668,168.64 and 346,258,968.96 is: 477,837,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,614,400.96 : 882,668,168.64 = 346,258,968.96 : x
  2. Step 2: Convert to fraction form
    639,614,400.96/882,668,168.64 = 346,258,968.96/x
  3. Step 3: Cross multiply
    639,614,400.96x = 882,668,168.64 × 346,258,968.96
  4. Step 4: Simplify right side
    639,614,400.96x = 305,631,770,007,097,792
  5. Step 5: Solve for x
    x = 305,631,770,007,097,792/639,614,400.96
  6. Step 6: Final answer
    x = 477,837,537.04

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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.