Finding the Fourth Proportional to 5,112,993,258.40, 7,662,709,941.36 and 2,625,753,707.68
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Solution
The fourth proportional to 5,112,993,258.40, 7,662,709,941.36 and 2,625,753,707.68 is: 3,935,148,751.93
Step by Step Solution
- Step 1: Write the proportion equation
5,112,993,258.40 : 7,662,709,941.36 = 2,625,753,707.68 : x - Step 2: Convert to fraction form
5,112,993,258.40/7,662,709,941.36 = 2,625,753,707.68/x - Step 3: Cross multiply
5,112,993,258.40x = 7,662,709,941.36 × 2,625,753,707.68 - Step 4: Simplify right side
5,112,993,258.40x = 20,120,389,039,402,414,080 - Step 5: Solve for x
x = 20,120,389,039,402,414,080/5,112,993,258.40 - Step 6: Final answer
x = 3,935,148,751.93
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1.5x scale
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.