Home / 397,564,085.70-595,570,321.68-309,714,261.06

Finding the Fourth Proportional to 397,564,085.70, 595,570,321.68 and 309,714,261.06

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Solution

The fourth proportional to 397,564,085.70, 595,570,321.68 and 309,714,261.06 is: 463,967,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,564,085.70 : 595,570,321.68 = 309,714,261.06 : x
  2. Step 2: Convert to fraction form
    397,564,085.70/595,570,321.68 = 309,714,261.06/x
  3. Step 3: Cross multiply
    397,564,085.70x = 595,570,321.68 × 309,714,261.06
  4. Step 4: Simplify right side
    397,564,085.70x = 184,456,622,088,387,680
  5. Step 5: Solve for x
    x = 184,456,622,088,387,680/397,564,085.70
  6. Step 6: Final answer
    x = 463,967,014.94

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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.