Finding the Fourth Proportional to 1,645,169,607.56, 2,467,667,498.49 and 539,628,838.49
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Solution
The fourth proportional to 1,645,169,607.56, 2,467,667,498.49 and 539,628,838.49 is: 809,414,749.62
Step by Step Solution
- Step 1: Write the proportion equation
1,645,169,607.56 : 2,467,667,498.49 = 539,628,838.49 : x - Step 2: Convert to fraction form
1,645,169,607.56/2,467,667,498.49 = 539,628,838.49/x - Step 3: Cross multiply
1,645,169,607.56x = 2,467,667,498.49 × 539,628,838.49 - Step 4: Simplify right side
1,645,169,607.56x = 1,331,624,545,989,682,432 - Step 5: Solve for x
x = 1,331,624,545,989,682,432/1,645,169,607.56 - Step 6: Final answer
x = 809,414,749.62
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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.