Finding the Fourth Proportional to 1,185,024,800,302.40, 1,635,332,953,871.70 and 643,701,926,532.77
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Solution
The fourth proportional to 1,185,024,800,302.40, 1,635,332,953,871.70 and 643,701,926,532.77 is: 888,307,968,458.65
Step by Step Solution
- Step 1: Write the proportion equation
1,185,024,800,302.40 : 1,635,332,953,871.70 = 643,701,926,532.77 : x - Step 2: Convert to fraction form
1,185,024,800,302.40/1,635,332,953,871.70 = 643,701,926,532.77/x - Step 3: Cross multiply
1,185,024,800,302.40x = 1,635,332,953,871.70 × 643,701,926,532.77 - Step 4: Simplify right side
1,185,024,800,302.40x = 1,052,666,972,929,738,728,800,256 - Step 5: Solve for x
x = 1,052,666,972,929,738,728,800,256/1,185,024,800,302.40 - Step 6: Final answer
x = 888,307,968,458.65
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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.