Finding the Fourth Proportional to 1,889,592,020.70, 2,833,537,725.45 and 724,673,348.70
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Solution
The fourth proportional to 1,889,592,020.70, 2,833,537,725.45 and 724,673,348.70 is: 1,086,683,924.19
Step by Step Solution
- Step 1: Write the proportion equation
1,889,592,020.70 : 2,833,537,725.45 = 724,673,348.70 : x - Step 2: Convert to fraction form
1,889,592,020.70/2,833,537,725.45 = 724,673,348.70/x - Step 3: Cross multiply
1,889,592,020.70x = 2,833,537,725.45 × 724,673,348.70 - Step 4: Simplify right side
1,889,592,020.70x = 2,053,389,272,169,632,768 - Step 5: Solve for x
x = 2,053,389,272,169,632,768/1,889,592,020.70 - Step 6: Final answer
x = 1,086,683,924.19
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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.