Finding the Fourth Proportional to 6,402,509,578.75, 8,835,463,218.68 and 3,472,263,946.75
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Solution
The fourth proportional to 6,402,509,578.75, 8,835,463,218.68 and 3,472,263,946.75 is: 4,791,724,246.52
Step by Step Solution
- Step 1: Write the proportion equation
6,402,509,578.75 : 8,835,463,218.68 = 3,472,263,946.75 : x - Step 2: Convert to fraction form
6,402,509,578.75/8,835,463,218.68 = 3,472,263,946.75/x - Step 3: Cross multiply
6,402,509,578.75x = 8,835,463,218.68 × 3,472,263,946.75 - Step 4: Simplify right side
6,402,509,578.75x = 30,679,060,387,058,274,304 - Step 5: Solve for x
x = 30,679,060,387,058,274,304/6,402,509,578.75 - Step 6: Final answer
x = 4,791,724,246.52
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1.5x scale
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.