Finding the Fourth Proportional to 13,328,782,765,210, 18,392,249,528,995 and 7,474,685,321,466.80
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Solution
The fourth proportional to 13,328,782,765,210, 18,392,249,528,995 and 7,474,685,321,466.80 is: 10,314,240,992,955.94
Step by Step Solution
- Step 1: Write the proportion equation
13,328,782,765,210 : 18,392,249,528,995 = 7,474,685,321,466.80 : x - Step 2: Convert to fraction form
13,328,782,765,210/18,392,249,528,995 = 7,474,685,321,466.80/x - Step 3: Cross multiply
13,328,782,765,210x = 18,392,249,528,995 × 7,474,685,321,466.80 - Step 4: Simplify right side
13,328,782,765,210x = 137,476,277,583,133,597,209,985,024 - Step 5: Solve for x
x = 137,476,277,583,133,597,209,985,024/13,328,782,765,210 - Step 6: Final answer
x = 10,314,240,992,955.94
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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.