Home / 655,740,587.07-904,922,891.97-377,276,525.55

Finding the Fourth Proportional to 655,740,587.07, 904,922,891.97 and 377,276,525.55

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Solution

The fourth proportional to 655,740,587.07, 904,922,891.97 and 377,276,525.55 is: 520,642,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,740,587.07 : 904,922,891.97 = 377,276,525.55 : x
  2. Step 2: Convert to fraction form
    655,740,587.07/904,922,891.97 = 377,276,525.55/x
  3. Step 3: Cross multiply
    655,740,587.07x = 904,922,891.97 × 377,276,525.55
  4. Step 4: Simplify right side
    655,740,587.07x = 341,406,164,573,099,648
  5. Step 5: Solve for x
    x = 341,406,164,573,099,648/655,740,587.07
  6. Step 6: Final answer
    x = 520,642,112.61

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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.