Finding the Fourth Proportional to 487,603,048,437.09, 731,498,763,080.90 and 185,392,153,569.24
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Solution
The fourth proportional to 487,603,048,437.09, 731,498,763,080.90 and 185,392,153,569.24 is: 278,124,042,611.07
Step by Step Solution
- Step 1: Write the proportion equation
487,603,048,437.09 : 731,498,763,080.90 = 185,392,153,569.24 : x - Step 2: Convert to fraction form
487,603,048,437.09/731,498,763,080.90 = 185,392,153,569.24/x - Step 3: Cross multiply
487,603,048,437.09x = 731,498,763,080.90 × 185,392,153,569.24 - Step 4: Simplify right side
487,603,048,437.09x = 135,614,131,020,803,315,073,024 - Step 5: Solve for x
x = 135,614,131,020,803,315,073,024/487,603,048,437.09 - Step 6: Final answer
x = 278,124,042,611.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.