Home / 3,171,312,812.60-4,756,969,218.90-1,931,567,247.80

Finding the Fourth Proportional to 3,171,312,812.60, 4,756,969,218.90 and 1,931,567,247.80

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Solution

The fourth proportional to 3,171,312,812.60, 4,756,969,218.90 and 1,931,567,247.80 is: 2,897,350,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,312,812.60 : 4,756,969,218.90 = 1,931,567,247.80 : x
  2. Step 2: Convert to fraction form
    3,171,312,812.60/4,756,969,218.90 = 1,931,567,247.80/x
  3. Step 3: Cross multiply
    3,171,312,812.60x = 4,756,969,218.90 × 1,931,567,247.80
  4. Step 4: Simplify right side
    3,171,312,812.60x = 9,188,405,942,019,987,456
  5. Step 5: Solve for x
    x = 9,188,405,942,019,987,456/3,171,312,812.60
  6. Step 6: Final answer
    x = 2,897,350,871.70

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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.