Finding the Fourth Proportional to 1,250,308,806.18, 1,875,635,673.18 and 725,924,865.18
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Solution
The fourth proportional to 1,250,308,806.18, 1,875,635,673.18 and 725,924,865.18 is: 1,088,987,429.71
Step by Step Solution
- Step 1: Write the proportion equation
1,250,308,806.18 : 1,875,635,673.18 = 725,924,865.18 : x - Step 2: Convert to fraction form
1,250,308,806.18/1,875,635,673.18 = 725,924,865.18/x - Step 3: Cross multiply
1,250,308,806.18x = 1,875,635,673.18 × 725,924,865.18 - Step 4: Simplify right side
1,250,308,806.18x = 1,361,570,573,179,990,016 - Step 5: Solve for x
x = 1,361,570,573,179,990,016/1,250,308,806.18 - Step 6: Final answer
x = 1,088,987,429.71
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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.