Home / 580,350,020.40-869,391,289.80-349,633,767.60

Finding the Fourth Proportional to 580,350,020.40, 869,391,289.80 and 349,633,767.60

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Solution

The fourth proportional to 580,350,020.40, 869,391,289.80 and 349,633,767.60 is: 523,767,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,350,020.40 : 869,391,289.80 = 349,633,767.60 : x
  2. Step 2: Convert to fraction form
    580,350,020.40/869,391,289.80 = 349,633,767.60/x
  3. Step 3: Cross multiply
    580,350,020.40x = 869,391,289.80 × 349,633,767.60
  4. Step 4: Simplify right side
    580,350,020.40x = 303,968,552,171,397,440
  5. Step 5: Solve for x
    x = 303,968,552,171,397,440/580,350,020.40
  6. Step 6: Final answer
    x = 523,767,625.55

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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.