Home / 620,571,845.80-930,857,768.70-275,158,815.40

Finding the Fourth Proportional to 620,571,845.80, 930,857,768.70 and 275,158,815.40

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Solution

The fourth proportional to 620,571,845.80, 930,857,768.70 and 275,158,815.40 is: 412,738,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,571,845.80 : 930,857,768.70 = 275,158,815.40 : x
  2. Step 2: Convert to fraction form
    620,571,845.80/930,857,768.70 = 275,158,815.40/x
  3. Step 3: Cross multiply
    620,571,845.80x = 930,857,768.70 × 275,158,815.40
  4. Step 4: Simplify right side
    620,571,845.80x = 256,133,720,941,379,200
  5. Step 5: Solve for x
    x = 256,133,720,941,379,200/620,571,845.80
  6. Step 6: Final answer
    x = 412,738,223.10

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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.