Home / 18,913,168,697.37-28,376,918,181.09-11,355,231,409.46

Finding the Fourth Proportional to 18,913,168,697.37, 28,376,918,181.09 and 11,355,231,409.46

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Solution

The fourth proportional to 18,913,168,697.37, 28,376,918,181.09 and 11,355,231,409.46 is: 17,037,148,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913,168,697.37 : 28,376,918,181.09 = 11,355,231,409.46 : x
  2. Step 2: Convert to fraction form
    18,913,168,697.37/28,376,918,181.09 = 11,355,231,409.46/x
  3. Step 3: Cross multiply
    18,913,168,697.37x = 28,376,918,181.09 × 11,355,231,409.46
  4. Step 4: Simplify right side
    18,913,168,697.37x = 322,226,472,633,447,809,024
  5. Step 5: Solve for x
    x = 322,226,472,633,447,809,024/18,913,168,697.37
  6. Step 6: Final answer
    x = 17,037,148,972.20

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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.