Finding the Fourth Proportional to 2,539,599,220.40, 3,809,889,405.71 and 965,584,142.92
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Solution
The fourth proportional to 2,539,599,220.40, 3,809,889,405.71 and 965,584,142.92 is: 1,448,562,736.55
Step by Step Solution
- Step 1: Write the proportion equation
2,539,599,220.40 : 3,809,889,405.71 = 965,584,142.92 : x - Step 2: Convert to fraction form
2,539,599,220.40/3,809,889,405.71 = 965,584,142.92/x - Step 3: Cross multiply
2,539,599,220.40x = 3,809,889,405.71 × 965,584,142.92 - Step 4: Simplify right side
2,539,599,220.40x = 3,678,768,796,432,478,208 - Step 5: Solve for x
x = 3,678,768,796,432,478,208/2,539,599,220.40 - Step 6: Final answer
x = 1,448,562,736.55
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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.