Home / 373,306,196,647.05-515,157,068,827.93-208,510,120,714.63

Finding the Fourth Proportional to 373,306,196,647.05, 515,157,068,827.93 and 208,510,120,714.63

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Solution

The fourth proportional to 373,306,196,647.05, 515,157,068,827.93 and 208,510,120,714.63 is: 287,740,904,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,647.05 : 515,157,068,827.93 = 208,510,120,714.63 : x
  2. Step 2: Convert to fraction form
    373,306,196,647.05/515,157,068,827.93 = 208,510,120,714.63/x
  3. Step 3: Cross multiply
    373,306,196,647.05x = 515,157,068,827.93 × 208,510,120,714.63
  4. Step 4: Simplify right side
    373,306,196,647.05x = 107,415,462,608,306,633,179,136
  5. Step 5: Solve for x
    x = 107,415,462,608,306,633,179,136/373,306,196,647.05
  6. Step 6: Final answer
    x = 287,740,904,311.49

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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.