Home / 1,347,516,163.40-2,021,274,245.10-823,727,913.80

Finding the Fourth Proportional to 1,347,516,163.40, 2,021,274,245.10 and 823,727,913.80

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Solution

The fourth proportional to 1,347,516,163.40, 2,021,274,245.10 and 823,727,913.80 is: 1,235,591,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,516,163.40 : 2,021,274,245.10 = 823,727,913.80 : x
  2. Step 2: Convert to fraction form
    1,347,516,163.40/2,021,274,245.10 = 823,727,913.80/x
  3. Step 3: Cross multiply
    1,347,516,163.40x = 2,021,274,245.10 × 823,727,913.80
  4. Step 4: Simplify right side
    1,347,516,163.40x = 1,664,980,017,133,892,608
  5. Step 5: Solve for x
    x = 1,664,980,017,133,892,608/1,347,516,163.40
  6. Step 6: Final answer
    x = 1,235,591,870.70

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Double scale
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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.