Home / 328,977,214,981.80-453,821,475,124.07-214,858,635,741.96

Finding the Fourth Proportional to 328,977,214,981.80, 453,821,475,124.07 and 214,858,635,741.96

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Solution

The fourth proportional to 328,977,214,981.80, 453,821,475,124.07 and 214,858,635,741.96 is: 296,395,794,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,977,214,981.80 : 453,821,475,124.07 = 214,858,635,741.96 : x
  2. Step 2: Convert to fraction form
    328,977,214,981.80/453,821,475,124.07 = 214,858,635,741.96/x
  3. Step 3: Cross multiply
    328,977,214,981.80x = 453,821,475,124.07 × 214,858,635,741.96
  4. Step 4: Simplify right side
    328,977,214,981.80x = 97,507,463,015,561,510,780,928
  5. Step 5: Solve for x
    x = 97,507,463,015,561,510,780,928/328,977,214,981.80
  6. Step 6: Final answer
    x = 296,395,794,526.24

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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.