Home / 1,322,410,844.18-1,827,443,835.34-991,812,026.90

Finding the Fourth Proportional to 1,322,410,844.18, 1,827,443,835.34 and 991,812,026.90

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Solution

The fourth proportional to 1,322,410,844.18, 1,827,443,835.34 and 991,812,026.90 is: 1,370,588,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,410,844.18 : 1,827,443,835.34 = 991,812,026.90 : x
  2. Step 2: Convert to fraction form
    1,322,410,844.18/1,827,443,835.34 = 991,812,026.90/x
  3. Step 3: Cross multiply
    1,322,410,844.18x = 1,827,443,835.34 × 991,812,026.90
  4. Step 4: Simplify right side
    1,322,410,844.18x = 1,812,480,774,374,475,008
  5. Step 5: Solve for x
    x = 1,812,480,774,374,475,008/1,322,410,844.18
  6. Step 6: Final answer
    x = 1,370,588,257.31

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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.