Home / 373,306,196,648.66-515,157,068,830-208,510,120,716.18

Finding the Fourth Proportional to 373,306,196,648.66, 515,157,068,830 and 208,510,120,716.18

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Solution

The fourth proportional to 373,306,196,648.66, 515,157,068,830 and 208,510,120,716.18 is: 287,740,904,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,648.66 : 515,157,068,830 = 208,510,120,716.18 : x
  2. Step 2: Convert to fraction form
    373,306,196,648.66/515,157,068,830 = 208,510,120,716.18/x
  3. Step 3: Cross multiply
    373,306,196,648.66x = 515,157,068,830 × 208,510,120,716.18
  4. Step 4: Simplify right side
    373,306,196,648.66x = 107,415,462,609,536,738,656,256
  5. Step 5: Solve for x
    x = 107,415,462,609,536,738,656,256/373,306,196,648.66
  6. Step 6: Final answer
    x = 287,740,904,313.55

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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.