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Finding the Fourth Proportional to 518,322,354.58, 777,483,531.86 and 518,322,354.58

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Solution

The fourth proportional to 518,322,354.58, 777,483,531.86 and 518,322,354.58 is: 777,483,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,322,354.58 : 777,483,531.86 = 518,322,354.58 : x
  2. Step 2: Convert to fraction form
    518,322,354.58/777,483,531.86 = 518,322,354.58/x
  3. Step 3: Cross multiply
    518,322,354.58x = 777,483,531.86 × 518,322,354.58
  4. Step 4: Simplify right side
    518,322,354.58x = 402,987,094,878,257,984
  5. Step 5: Solve for x
    x = 402,987,094,878,257,984/518,322,354.58
  6. Step 6: Final answer
    x = 777,483,531.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.