Home / 1,019,935,942.80-1,529,903,914.20-330,338,101.20

Finding the Fourth Proportional to 1,019,935,942.80, 1,529,903,914.20 and 330,338,101.20

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Solution

The fourth proportional to 1,019,935,942.80, 1,529,903,914.20 and 330,338,101.20 is: 495,507,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,935,942.80 : 1,529,903,914.20 = 330,338,101.20 : x
  2. Step 2: Convert to fraction form
    1,019,935,942.80/1,529,903,914.20 = 330,338,101.20/x
  3. Step 3: Cross multiply
    1,019,935,942.80x = 1,529,903,914.20 × 330,338,101.20
  4. Step 4: Simplify right side
    1,019,935,942.80x = 505,385,554,035,275,712
  5. Step 5: Solve for x
    x = 505,385,554,035,275,712/1,019,935,942.80
  6. Step 6: Final answer
    x = 495,507,151.80

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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.