Home / 378,920,566,336.78-522,936,037,078.16-214,064,908,345.64

Finding the Fourth Proportional to 378,920,566,336.78, 522,936,037,078.16 and 214,064,908,345.64

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Solution

The fourth proportional to 378,920,566,336.78, 522,936,037,078.16 and 214,064,908,345.64 is: 295,424,067,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,920,566,336.78 : 522,936,037,078.16 = 214,064,908,345.64 : x
  2. Step 2: Convert to fraction form
    378,920,566,336.78/522,936,037,078.16 = 214,064,908,345.64/x
  3. Step 3: Cross multiply
    378,920,566,336.78x = 522,936,037,078.16 × 214,064,908,345.64
  4. Step 4: Simplify right side
    378,920,566,336.78x = 111,942,254,847,768,523,702,272
  5. Step 5: Solve for x
    x = 111,942,254,847,768,523,702,272/378,920,566,336.78
  6. Step 6: Final answer
    x = 295,424,067,186.36

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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.