Home / 1,507,598,511.22-2,080,456,111.11-838,529,163.82

Finding the Fourth Proportional to 1,507,598,511.22, 2,080,456,111.11 and 838,529,163.82

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Solution

The fourth proportional to 1,507,598,511.22, 2,080,456,111.11 and 838,529,163.82 is: 1,157,153,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,598,511.22 : 2,080,456,111.11 = 838,529,163.82 : x
  2. Step 2: Convert to fraction form
    1,507,598,511.22/2,080,456,111.11 = 838,529,163.82/x
  3. Step 3: Cross multiply
    1,507,598,511.22x = 2,080,456,111.11 × 838,529,163.82
  4. Step 4: Simplify right side
    1,507,598,511.22x = 1,744,523,123,213,277,440
  5. Step 5: Solve for x
    x = 1,744,523,123,213,277,440/1,507,598,511.22
  6. Step 6: Final answer
    x = 1,157,153,652.14

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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.