Finding the Fourth Proportional to 815,624,378,555.70, 1,125,562,758,658.50 and 444,828,692,949.57
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Solution
The fourth proportional to 815,624,378,555.70, 1,125,562,758,658.50 and 444,828,692,949.57 is: 613,864,205,056.47
Step by Step Solution
- Step 1: Write the proportion equation
815,624,378,555.70 : 1,125,562,758,658.50 = 444,828,692,949.57 : x - Step 2: Convert to fraction form
815,624,378,555.70/1,125,562,758,658.50 = 444,828,692,949.57/x - Step 3: Cross multiply
815,624,378,555.70x = 1,125,562,758,658.50 × 444,828,692,949.57 - Step 4: Simplify right side
815,624,378,555.70x = 500,682,610,766,772,896,268,288 - Step 5: Solve for x
x = 500,682,610,766,772,896,268,288/815,624,378,555.70 - Step 6: Final answer
x = 613,864,205,056.47
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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.