Finding the Fourth Proportional to 2,606,871,374.21, 3,912,045,743.94 and 948,778,197.68
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Solution
The fourth proportional to 2,606,871,374.21, 3,912,045,743.94 and 948,778,197.68 is: 1,423,800,094.97
Step by Step Solution
- Step 1: Write the proportion equation
2,606,871,374.21 : 3,912,045,743.94 = 948,778,197.68 : x - Step 2: Convert to fraction form
2,606,871,374.21/3,912,045,743.94 = 948,778,197.68/x - Step 3: Cross multiply
2,606,871,374.21x = 3,912,045,743.94 × 948,778,197.68 - Step 4: Simplify right side
2,606,871,374.21x = 3,711,663,710,183,472,640 - Step 5: Solve for x
x = 3,711,663,710,183,472,640/2,606,871,374.21 - Step 6: Final answer
x = 1,423,800,094.97
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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.