Home / 751,303,339,919.55-1,036,741,709,764.80-421,642,709,922.56

Finding the Fourth Proportional to 751,303,339,919.55, 1,036,741,709,764.80 and 421,642,709,922.56

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Solution

The fourth proportional to 751,303,339,919.55, 1,036,741,709,764.80 and 421,642,709,922.56 is: 581,835,006,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,919.55 : 1,036,741,709,764.80 = 421,642,709,922.56 : x
  2. Step 2: Convert to fraction form
    751,303,339,919.55/1,036,741,709,764.80 = 421,642,709,922.56/x
  3. Step 3: Cross multiply
    751,303,339,919.55x = 1,036,741,709,764.80 × 421,642,709,922.56
  4. Step 4: Simplify right side
    751,303,339,919.55x = 437,134,583,994,978,473,607,168
  5. Step 5: Solve for x
    x = 437,134,583,994,978,473,607,168/751,303,339,919.55
  6. Step 6: Final answer
    x = 581,835,006,938.46

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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.