Finding the Fourth Proportional to 1,889,574,883.20, 2,834,362,324.80 and 971,244,835.20
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Solution
The fourth proportional to 1,889,574,883.20, 2,834,362,324.80 and 971,244,835.20 is: 1,456,867,252.80
Step by Step Solution
- Step 1: Write the proportion equation
1,889,574,883.20 : 2,834,362,324.80 = 971,244,835.20 : x - Step 2: Convert to fraction form
1,889,574,883.20/2,834,362,324.80 = 971,244,835.20/x - Step 3: Cross multiply
1,889,574,883.20x = 2,834,362,324.80 × 971,244,835.20 - Step 4: Simplify right side
1,889,574,883.20x = 2,752,859,769,047,464,960 - Step 5: Solve for x
x = 2,752,859,769,047,464,960/1,889,574,883.20 - Step 6: Final answer
x = 1,456,867,252.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.