Finding the Fourth Proportional to 5,310,454,734.18, 7,328,450,940.04 and 2,931,612,219.12
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Solution
The fourth proportional to 5,310,454,734.18, 7,328,450,940.04 and 2,931,612,219.12 is: 4,045,637,784.04
Step by Step Solution
- Step 1: Write the proportion equation
5,310,454,734.18 : 7,328,450,940.04 = 2,931,612,219.12 : x - Step 2: Convert to fraction form
5,310,454,734.18/7,328,450,940.04 = 2,931,612,219.12/x - Step 3: Cross multiply
5,310,454,734.18x = 7,328,450,940.04 × 2,931,612,219.12 - Step 4: Simplify right side
5,310,454,734.18x = 21,484,176,323,045,642,240 - Step 5: Solve for x
x = 21,484,176,323,045,642,240/5,310,454,734.18 - Step 6: Final answer
x = 4,045,637,784.04
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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.