Finding the Fourth Proportional to 815,624,378,553.70, 1,125,562,758,655.70 and 444,828,692,947.57
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Solution
The fourth proportional to 815,624,378,553.70, 1,125,562,758,655.70 and 444,828,692,947.57 is: 613,864,205,053.69
Step by Step Solution
- Step 1: Write the proportion equation
815,624,378,553.70 : 1,125,562,758,655.70 = 444,828,692,947.57 : x - Step 2: Convert to fraction form
815,624,378,553.70/1,125,562,758,655.70 = 444,828,692,947.57/x - Step 3: Cross multiply
815,624,378,553.70x = 1,125,562,758,655.70 × 444,828,692,947.57 - Step 4: Simplify right side
815,624,378,553.70x = 500,682,610,763,276,188,909,568 - Step 5: Solve for x
x = 500,682,610,763,276,188,909,568/815,624,378,553.70 - Step 6: Final answer
x = 613,864,205,053.69
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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.