Home / 3,921,094,989.50-5,411,129,409.92-2,227,642,558.67

Finding the Fourth Proportional to 3,921,094,989.50, 5,411,129,409.92 and 2,227,642,558.67

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Solution

The fourth proportional to 3,921,094,989.50, 5,411,129,409.92 and 2,227,642,558.67 is: 3,074,157,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,094,989.50 : 5,411,129,409.92 = 2,227,642,558.67 : x
  2. Step 2: Convert to fraction form
    3,921,094,989.50/5,411,129,409.92 = 2,227,642,558.67/x
  3. Step 3: Cross multiply
    3,921,094,989.50x = 5,411,129,409.92 × 2,227,642,558.67
  4. Step 4: Simplify right side
    3,921,094,989.50x = 12,054,062,164,027,772,928
  5. Step 5: Solve for x
    x = 12,054,062,164,027,772,928/3,921,094,989.50
  6. Step 6: Final answer
    x = 3,074,157,141.39

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1.5x scale

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.