Finding the Fourth Proportional to 764,831,726.70, 1,147,247,590.05 and 764,831,726.70
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Solution
The fourth proportional to 764,831,726.70, 1,147,247,590.05 and 764,831,726.70 is: 1,147,247,590.05
Step by Step Solution
- Step 1: Write the proportion equation
764,831,726.70 : 1,147,247,590.05 = 764,831,726.70 : x - Step 2: Convert to fraction form
764,831,726.70/1,147,247,590.05 = 764,831,726.70/x - Step 3: Cross multiply
764,831,726.70x = 1,147,247,590.05 × 764,831,726.70 - Step 4: Simplify right side
764,831,726.70x = 877,451,355,250,355,200 - Step 5: Solve for x
x = 877,451,355,250,355,200/764,831,726.70 - Step 6: Final answer
x = 1,147,247,590.05
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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.