Finding the Fourth Proportional to 1,569,888,125.30, 2,354,832,187.95 and 479,229,475.70
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Solution
The fourth proportional to 1,569,888,125.30, 2,354,832,187.95 and 479,229,475.70 is: 718,844,213.55
Step by Step Solution
- Step 1: Write the proportion equation
1,569,888,125.30 : 2,354,832,187.95 = 479,229,475.70 : x - Step 2: Convert to fraction form
1,569,888,125.30/2,354,832,187.95 = 479,229,475.70/x - Step 3: Cross multiply
1,569,888,125.30x = 2,354,832,187.95 × 479,229,475.70 - Step 4: Simplify right side
1,569,888,125.30x = 1,128,504,994,792,762,240 - Step 5: Solve for x
x = 1,128,504,994,792,762,240/1,569,888,125.30 - Step 6: Final answer
x = 718,844,213.55
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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.