Home / 929,608,985.45-1,394,628,896.03-265,631,653.01

Finding the Fourth Proportional to 929,608,985.45, 1,394,628,896.03 and 265,631,653.01

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Solution

The fourth proportional to 929,608,985.45, 1,394,628,896.03 and 265,631,653.01 is: 398,509,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,608,985.45 : 1,394,628,896.03 = 265,631,653.01 : x
  2. Step 2: Convert to fraction form
    929,608,985.45/1,394,628,896.03 = 265,631,653.01/x
  3. Step 3: Cross multiply
    929,608,985.45x = 1,394,628,896.03 × 265,631,653.01
  4. Step 4: Simplify right side
    929,608,985.45x = 370,457,578,990,118,720
  5. Step 5: Solve for x
    x = 370,457,578,990,118,720/929,608,985.45
  6. Step 6: Final answer
    x = 398,509,034.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.