Finding the Fourth Proportional to 543,559,307.58, 750,085,107.30 and 308,579,126.49
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Solution
The fourth proportional to 543,559,307.58, 750,085,107.30 and 308,579,126.49 is: 425,824,015.85
Step by Step Solution
- Step 1: Write the proportion equation
543,559,307.58 : 750,085,107.30 = 308,579,126.49 : x - Step 2: Convert to fraction form
543,559,307.58/750,085,107.30 = 308,579,126.49/x - Step 3: Cross multiply
543,559,307.58x = 750,085,107.30 × 308,579,126.49 - Step 4: Simplify right side
543,559,307.58x = 231,460,607,203,791,904 - Step 5: Solve for x
x = 231,460,607,203,791,904/543,559,307.58 - Step 6: Final answer
x = 425,824,015.85
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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.