Home / 513,916,405.72-770,783,485.22-233,731,692.40

Finding the Fourth Proportional to 513,916,405.72, 770,783,485.22 and 233,731,692.40

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Solution

The fourth proportional to 513,916,405.72, 770,783,485.22 and 233,731,692.40 is: 350,556,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,916,405.72 : 770,783,485.22 = 233,731,692.40 : x
  2. Step 2: Convert to fraction form
    513,916,405.72/770,783,485.22 = 233,731,692.40/x
  3. Step 3: Cross multiply
    513,916,405.72x = 770,783,485.22 × 233,731,692.40
  4. Step 4: Simplify right side
    513,916,405.72x = 180,156,528,474,440,992
  5. Step 5: Solve for x
    x = 180,156,528,474,440,992/513,916,405.72
  6. Step 6: Final answer
    x = 350,556,095.25

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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.