Finding the Fourth Proportional to 1,889,574,744.70, 2,834,362,117.05 and 971,244,696.70
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Solution
The fourth proportional to 1,889,574,744.70, 2,834,362,117.05 and 971,244,696.70 is: 1,456,867,045.05
Step by Step Solution
- Step 1: Write the proportion equation
1,889,574,744.70 : 2,834,362,117.05 = 971,244,696.70 : x - Step 2: Convert to fraction form
1,889,574,744.70/2,834,362,117.05 = 971,244,696.70/x - Step 3: Cross multiply
1,889,574,744.70x = 2,834,362,117.05 × 971,244,696.70 - Step 4: Simplify right side
1,889,574,744.70x = 2,752,859,174,712,197,632 - Step 5: Solve for x
x = 2,752,859,174,712,197,632/1,889,574,744.70 - Step 6: Final answer
x = 1,456,867,045.05
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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.