Finding the Fourth Proportional to 1,558,477,762.74, 2,150,672,731.65 and 844,007,511.06
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Solution
The fourth proportional to 1,558,477,762.74, 2,150,672,731.65 and 844,007,511.06 is: 1,164,715,970.12
Step by Step Solution
- Step 1: Write the proportion equation
1,558,477,762.74 : 2,150,672,731.65 = 844,007,511.06 : x - Step 2: Convert to fraction form
1,558,477,762.74/2,150,672,731.65 = 844,007,511.06/x - Step 3: Cross multiply
1,558,477,762.74x = 2,150,672,731.65 × 844,007,511.06 - Step 4: Simplify right side
1,558,477,762.74x = 1,815,183,939,344,527,872 - Step 5: Solve for x
x = 1,815,183,939,344,527,872/1,558,477,762.74 - Step 6: Final answer
x = 1,164,715,970.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.