Finding the Fourth Proportional to 5,328,778,366.77, 7,353,801,207.41 and 2,917,420,630.53
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Solution
The fourth proportional to 5,328,778,366.77, 7,353,801,207.41 and 2,917,420,630.53 is: 4,026,088,134.78
Step by Step Solution
- Step 1: Write the proportion equation
5,328,778,366.77 : 7,353,801,207.41 = 2,917,420,630.53 : x - Step 2: Convert to fraction form
5,328,778,366.77/7,353,801,207.41 = 2,917,420,630.53/x - Step 3: Cross multiply
5,328,778,366.77x = 7,353,801,207.41 × 2,917,420,630.53 - Step 4: Simplify right side
5,328,778,366.77x = 21,454,131,355,299,770,368 - Step 5: Solve for x
x = 21,454,131,355,299,770,368/5,328,778,366.77 - Step 6: Final answer
x = 4,026,088,134.78
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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.