Home / 374,679,728.83-517,064,147.27-205,131,138.00

Finding the Fourth Proportional to 374,679,728.83, 517,064,147.27 and 205,131,138.00

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Solution

The fourth proportional to 374,679,728.83, 517,064,147.27 and 205,131,138.00 is: 283,084,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,679,728.83 : 517,064,147.27 = 205,131,138.00 : x
  2. Step 2: Convert to fraction form
    374,679,728.83/517,064,147.27 = 205,131,138.00/x
  3. Step 3: Cross multiply
    374,679,728.83x = 517,064,147.27 × 205,131,138.00
  4. Step 4: Simplify right side
    374,679,728.83x = 106,065,956,947,463,440
  5. Step 5: Solve for x
    x = 106,065,956,947,463,440/374,679,728.83
  6. Step 6: Final answer
    x = 283,084,321.86

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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.