Finding the Fourth Proportional to 1,301,268,551.10, 1,795,700,235.26 and 706,539,423.40
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Solution
The fourth proportional to 1,301,268,551.10, 1,795,700,235.26 and 706,539,423.40 is: 974,997,057.87
Step by Step Solution
- Step 1: Write the proportion equation
1,301,268,551.10 : 1,795,700,235.26 = 706,539,423.40 : x - Step 2: Convert to fraction form
1,301,268,551.10/1,795,700,235.26 = 706,539,423.40/x - Step 3: Cross multiply
1,301,268,551.10x = 1,795,700,235.26 × 706,539,423.40 - Step 4: Simplify right side
1,301,268,551.10x = 1,268,733,008,819,844,608 - Step 5: Solve for x
x = 1,268,733,008,819,844,608/1,301,268,551.10 - Step 6: Final answer
x = 974,997,057.87
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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.