Home / 311,665,714,319.80-467,569,064,689.08-168,241,664,109.60

Finding the Fourth Proportional to 311,665,714,319.80, 467,569,064,689.08 and 168,241,664,109.60

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Solution

The fourth proportional to 311,665,714,319.80, 467,569,064,689.08 and 168,241,664,109.60 is: 252,400,549,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,665,714,319.80 : 467,569,064,689.08 = 168,241,664,109.60 : x
  2. Step 2: Convert to fraction form
    311,665,714,319.80/467,569,064,689.08 = 168,241,664,109.60/x
  3. Step 3: Cross multiply
    311,665,714,319.80x = 467,569,064,689.08 × 168,241,664,109.60
  4. Step 4: Simplify right side
    311,665,714,319.80x = 78,664,597,529,460,029,259,776
  5. Step 5: Solve for x
    x = 78,664,597,529,460,029,259,776/311,665,714,319.80
  6. Step 6: Final answer
    x = 252,400,549,419.25

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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.