Home / 751,303,339,932.80-1,036,741,709,783-421,642,709,935.72

Finding the Fourth Proportional to 751,303,339,932.80, 1,036,741,709,783 and 421,642,709,935.72

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Solution

The fourth proportional to 751,303,339,932.80, 1,036,741,709,783 and 421,642,709,935.72 is: 581,835,006,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,932.80 : 1,036,741,709,783 = 421,642,709,935.72 : x
  2. Step 2: Convert to fraction form
    751,303,339,932.80/1,036,741,709,783 = 421,642,709,935.72/x
  3. Step 3: Cross multiply
    751,303,339,932.80x = 1,036,741,709,783 × 421,642,709,935.72
  4. Step 4: Simplify right side
    751,303,339,932.80x = 437,134,584,016,295,872,692,224
  5. Step 5: Solve for x
    x = 437,134,584,016,295,872,692,224/751,303,339,932.80
  6. Step 6: Final answer
    x = 581,835,006,956.57

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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.