Home / 1,478,674,100.37-2,040,570,740.43-809,661,543.87

Finding the Fourth Proportional to 1,478,674,100.37, 2,040,570,740.43 and 809,661,543.87

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Solution

The fourth proportional to 1,478,674,100.37, 2,040,570,740.43 and 809,661,543.87 is: 1,117,333,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,674,100.37 : 2,040,570,740.43 = 809,661,543.87 : x
  2. Step 2: Convert to fraction form
    1,478,674,100.37/2,040,570,740.43 = 809,661,543.87/x
  3. Step 3: Cross multiply
    1,478,674,100.37x = 2,040,570,740.43 × 809,661,543.87
  4. Step 4: Simplify right side
    1,478,674,100.37x = 1,652,171,656,072,502,784
  5. Step 5: Solve for x
    x = 1,652,171,656,072,502,784/1,478,674,100.37
  6. Step 6: Final answer
    x = 1,117,333,194.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.