Home / 751,303,339,929.90-1,036,741,709,778.90-421,642,709,932.84

Finding the Fourth Proportional to 751,303,339,929.90, 1,036,741,709,778.90 and 421,642,709,932.84

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Solution

The fourth proportional to 751,303,339,929.90, 1,036,741,709,778.90 and 421,642,709,932.84 is: 581,835,006,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,929.90 : 1,036,741,709,778.90 = 421,642,709,932.84 : x
  2. Step 2: Convert to fraction form
    751,303,339,929.90/1,036,741,709,778.90 = 421,642,709,932.84/x
  3. Step 3: Cross multiply
    751,303,339,929.90x = 1,036,741,709,778.90 × 421,642,709,932.84
  4. Step 4: Simplify right side
    751,303,339,929.90x = 437,134,584,011,581,340,778,496
  5. Step 5: Solve for x
    x = 437,134,584,011,581,340,778,496/751,303,339,929.90
  6. Step 6: Final answer
    x = 581,835,006,952.54

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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.