Home / 168,171,238,223.60-252,257,511,787.80-40,685,725,421.28

Finding the Fourth Proportional to 168,171,238,223.60, 252,257,511,787.80 and 40,685,725,421.28

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Solution

The fourth proportional to 168,171,238,223.60, 252,257,511,787.80 and 40,685,725,421.28 is: 61,028,746,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171,238,223.60 : 252,257,511,787.80 = 40,685,725,421.28 : x
  2. Step 2: Convert to fraction form
    168,171,238,223.60/252,257,511,787.80 = 40,685,725,421.28/x
  3. Step 3: Cross multiply
    168,171,238,223.60x = 252,257,511,787.80 × 40,685,725,421.28
  4. Step 4: Simplify right side
    168,171,238,223.60x = 10,263,279,860,053,731,966,976
  5. Step 5: Solve for x
    x = 10,263,279,860,053,731,966,976/168,171,238,223.60
  6. Step 6: Final answer
    x = 61,028,746,463.81

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1.5x scale

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.