Finding the Fourth Proportional to 388,706,577.84, 533,559,762.79 and 343,666,953.09
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Solution
The fourth proportional to 388,706,577.84, 533,559,762.79 and 343,666,953.09 is: 471,735,927.36
Step by Step Solution
- Step 1: Write the proportion equation
388,706,577.84 : 533,559,762.79 = 343,666,953.09 : x - Step 2: Convert to fraction form
388,706,577.84/533,559,762.79 = 343,666,953.09/x - Step 3: Cross multiply
388,706,577.84x = 533,559,762.79 × 343,666,953.09 - Step 4: Simplify right side
388,706,577.84x = 183,366,857,969,462,464 - Step 5: Solve for x
x = 183,366,857,969,462,464/388,706,577.84 - Step 6: Final answer
x = 471,735,927.36
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.