Home / 1,507,598,489.22-2,080,456,080.75-838,529,141.82

Finding the Fourth Proportional to 1,507,598,489.22, 2,080,456,080.75 and 838,529,141.82

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Solution

The fourth proportional to 1,507,598,489.22, 2,080,456,080.75 and 838,529,141.82 is: 1,157,153,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,598,489.22 : 2,080,456,080.75 = 838,529,141.82 : x
  2. Step 2: Convert to fraction form
    1,507,598,489.22/2,080,456,080.75 = 838,529,141.82/x
  3. Step 3: Cross multiply
    1,507,598,489.22x = 2,080,456,080.75 × 838,529,141.82
  4. Step 4: Simplify right side
    1,507,598,489.22x = 1,744,523,051,985,498,112
  5. Step 5: Solve for x
    x = 1,744,523,051,985,498,112/1,507,598,489.22
  6. Step 6: Final answer
    x = 1,157,153,621.78

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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.