Finding the Fourth Proportional to 3,516,477,953.40, 5,274,716,930.10 and 1,447,684,428.60
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Solution
The fourth proportional to 3,516,477,953.40, 5,274,716,930.10 and 1,447,684,428.60 is: 2,171,526,642.90
Step by Step Solution
- Step 1: Write the proportion equation
3,516,477,953.40 : 5,274,716,930.10 = 1,447,684,428.60 : x - Step 2: Convert to fraction form
3,516,477,953.40/5,274,716,930.10 = 1,447,684,428.60/x - Step 3: Cross multiply
3,516,477,953.40x = 5,274,716,930.10 × 1,447,684,428.60 - Step 4: Simplify right side
3,516,477,953.40x = 7,636,125,564,978,565,120 - Step 5: Solve for x
x = 7,636,125,564,978,565,120/3,516,477,953.40 - Step 6: Final answer
x = 2,171,526,642.90
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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.