Finding the Fourth Proportional to 2,832,888,634.40, 4,249,332,951.60 and 992,402,163.20
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Solution
The fourth proportional to 2,832,888,634.40, 4,249,332,951.60 and 992,402,163.20 is: 1,488,603,244.80
Step by Step Solution
- Step 1: Write the proportion equation
2,832,888,634.40 : 4,249,332,951.60 = 992,402,163.20 : x - Step 2: Convert to fraction form
2,832,888,634.40/4,249,332,951.60 = 992,402,163.20/x - Step 3: Cross multiply
2,832,888,634.40x = 4,249,332,951.60 × 992,402,163.20 - Step 4: Simplify right side
2,832,888,634.40x = 4,217,047,213,324,880,896 - Step 5: Solve for x
x = 4,217,047,213,324,880,896/2,832,888,634.40 - Step 6: Final answer
x = 1,488,603,244.80
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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.