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Finding the Fourth Proportional to 949,751,276.32, 1,310,656,886 and 526,392,270.44

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Solution

The fourth proportional to 949,751,276.32, 1,310,656,886 and 526,392,270.44 is: 726,421,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,751,276.32 : 1,310,656,886 = 526,392,270.44 : x
  2. Step 2: Convert to fraction form
    949,751,276.32/1,310,656,886 = 526,392,270.44/x
  3. Step 3: Cross multiply
    949,751,276.32x = 1,310,656,886 × 526,392,270.44
  4. Step 4: Simplify right side
    949,751,276.32x = 689,919,653,989,360,256
  5. Step 5: Solve for x
    x = 689,919,653,989,360,256/949,751,276.32
  6. Step 6: Final answer
    x = 726,421,402.31

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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.