Home / 1,208,830,657.20-1,812,350,190.60-819,682,292.40

Finding the Fourth Proportional to 1,208,830,657.20, 1,812,350,190.60 and 819,682,292.40

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Solution

The fourth proportional to 1,208,830,657.20, 1,812,350,190.60 and 819,682,292.40 is: 1,228,916,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,830,657.20 : 1,812,350,190.60 = 819,682,292.40 : x
  2. Step 2: Convert to fraction form
    1,208,830,657.20/1,812,350,190.60 = 819,682,292.40/x
  3. Step 3: Cross multiply
    1,208,830,657.20x = 1,812,350,190.60 × 819,682,292.40
  4. Step 4: Simplify right side
    1,208,830,657.20x = 1,485,551,358,862,584,832
  5. Step 5: Solve for x
    x = 1,485,551,358,862,584,832/1,208,830,657.20
  6. Step 6: Final answer
    x = 1,228,916,018.98

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1.5x scale

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.