Finding the Fourth Proportional to 1,423,747,235.73, 1,965,452,489.37 and 948,228,941.79
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Solution
The fourth proportional to 1,423,747,235.73, 1,965,452,489.37 and 948,228,941.79 is: 1,309,009,694.53
Step by Step Solution
- Step 1: Write the proportion equation
1,423,747,235.73 : 1,965,452,489.37 = 948,228,941.79 : x - Step 2: Convert to fraction form
1,423,747,235.73/1,965,452,489.37 = 948,228,941.79/x - Step 3: Cross multiply
1,423,747,235.73x = 1,965,452,489.37 × 948,228,941.79 - Step 4: Simplify right side
1,423,747,235.73x = 1,863,698,934,133,836,032 - Step 5: Solve for x
x = 1,863,698,934,133,836,032/1,423,747,235.73 - Step 6: Final answer
x = 1,309,009,694.53
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1.5x scale
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.