Home / 772,481,028.43-1,065,991,381.86-437,976,059.86

Finding the Fourth Proportional to 772,481,028.43, 1,065,991,381.86 and 437,976,059.86

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Solution

The fourth proportional to 772,481,028.43, 1,065,991,381.86 and 437,976,059.86 is: 604,388,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,481,028.43 : 1,065,991,381.86 = 437,976,059.86 : x
  2. Step 2: Convert to fraction form
    772,481,028.43/1,065,991,381.86 = 437,976,059.86/x
  3. Step 3: Cross multiply
    772,481,028.43x = 1,065,991,381.86 × 437,976,059.86
  4. Step 4: Simplify right side
    772,481,028.43x = 466,878,705,271,759,488
  5. Step 5: Solve for x
    x = 466,878,705,271,759,488/772,481,028.43
  6. Step 6: Final answer
    x = 604,388,571.48

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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.