Finding the Fourth Proportional to 5,385,278,350.14, 8,081,065,312.47 and 3,889,835,262.60
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Solution
The fourth proportional to 5,385,278,350.14, 8,081,065,312.47 and 3,889,835,262.60 is: 5,837,026,569.11
Step by Step Solution
- Step 1: Write the proportion equation
5,385,278,350.14 : 8,081,065,312.47 = 3,889,835,262.60 : x - Step 2: Convert to fraction form
5,385,278,350.14/8,081,065,312.47 = 3,889,835,262.60/x - Step 3: Cross multiply
5,385,278,350.14x = 8,081,065,312.47 × 3,889,835,262.60 - Step 4: Simplify right side
5,385,278,350.14x = 31,434,012,811,819,495,424 - Step 5: Solve for x
x = 31,434,012,811,819,495,424/5,385,278,350.14 - Step 6: Final answer
x = 5,837,026,569.11
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1.5x scale
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.