Home / 751,303,339,930.65-1,036,741,709,779.90-421,642,709,933.58

Finding the Fourth Proportional to 751,303,339,930.65, 1,036,741,709,779.90 and 421,642,709,933.58

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Solution

The fourth proportional to 751,303,339,930.65, 1,036,741,709,779.90 and 421,642,709,933.58 is: 581,835,006,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,930.65 : 1,036,741,709,779.90 = 421,642,709,933.58 : x
  2. Step 2: Convert to fraction form
    751,303,339,930.65/1,036,741,709,779.90 = 421,642,709,933.58/x
  3. Step 3: Cross multiply
    751,303,339,930.65x = 1,036,741,709,779.90 × 421,642,709,933.58
  4. Step 4: Simplify right side
    751,303,339,930.65x = 437,134,584,012,770,174,304,256
  5. Step 5: Solve for x
    x = 437,134,584,012,770,174,304,256/751,303,339,930.65
  6. Step 6: Final answer
    x = 581,835,006,953.54

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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.