Home / 751,303,339,929.80-1,036,741,709,778.80-421,642,709,932.72

Finding the Fourth Proportional to 751,303,339,929.80, 1,036,741,709,778.80 and 421,642,709,932.72

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Solution

The fourth proportional to 751,303,339,929.80, 1,036,741,709,778.80 and 421,642,709,932.72 is: 581,835,006,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,929.80 : 1,036,741,709,778.80 = 421,642,709,932.72 : x
  2. Step 2: Convert to fraction form
    751,303,339,929.80/1,036,741,709,778.80 = 421,642,709,932.72/x
  3. Step 3: Cross multiply
    751,303,339,929.80x = 1,036,741,709,778.80 × 421,642,709,932.72
  4. Step 4: Simplify right side
    751,303,339,929.80x = 437,134,584,011,414,709,469,184
  5. Step 5: Solve for x
    x = 437,134,584,011,414,709,469,184/751,303,339,929.80
  6. Step 6: Final answer
    x = 581,835,006,952.40

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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.