Finding the Fourth Proportional to 1,889,592,021.20, 2,833,537,726.20 and 724,673,349.20
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Solution
The fourth proportional to 1,889,592,021.20, 2,833,537,726.20 and 724,673,349.20 is: 1,086,683,924.94
Step by Step Solution
- Step 1: Write the proportion equation
1,889,592,021.20 : 2,833,537,726.20 = 724,673,349.20 : x - Step 2: Convert to fraction form
1,889,592,021.20/2,833,537,726.20 = 724,673,349.20/x - Step 3: Cross multiply
1,889,592,021.20x = 2,833,537,726.20 × 724,673,349.20 - Step 4: Simplify right side
1,889,592,021.20x = 2,053,389,274,129,906,688 - Step 5: Solve for x
x = 2,053,389,274,129,906,688/1,889,592,021.20 - Step 6: Final answer
x = 1,086,683,924.94
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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.