Home / 751,303,339,930.90-1,036,741,709,780.30-421,642,709,933.84

Finding the Fourth Proportional to 751,303,339,930.90, 1,036,741,709,780.30 and 421,642,709,933.84

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Solution

The fourth proportional to 751,303,339,930.90, 1,036,741,709,780.30 and 421,642,709,933.84 is: 581,835,006,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,930.90 : 1,036,741,709,780.30 = 421,642,709,933.84 : x
  2. Step 2: Convert to fraction form
    751,303,339,930.90/1,036,741,709,780.30 = 421,642,709,933.84/x
  3. Step 3: Cross multiply
    751,303,339,930.90x = 1,036,741,709,780.30 × 421,642,709,933.84
  4. Step 4: Simplify right side
    751,303,339,930.90x = 437,134,584,013,208,395,186,176
  5. Step 5: Solve for x
    x = 437,134,584,013,208,395,186,176/751,303,339,930.90
  6. Step 6: Final answer
    x = 581,835,006,953.93

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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.