Finding the Fourth Proportional to 1,332,236,294.68, 1,838,413,250.81 and 729,290,277.19
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Solution
The fourth proportional to 1,332,236,294.68, 1,838,413,250.81 and 729,290,277.19 is: 1,006,380,710.86
Step by Step Solution
- Step 1: Write the proportion equation
1,332,236,294.68 : 1,838,413,250.81 = 729,290,277.19 : x - Step 2: Convert to fraction form
1,332,236,294.68/1,838,413,250.81 = 729,290,277.19/x - Step 3: Cross multiply
1,332,236,294.68x = 1,838,413,250.81 × 729,290,277.19 - Step 4: Simplify right side
1,332,236,294.68x = 1,340,736,909,269,347,584 - Step 5: Solve for x
x = 1,340,736,909,269,347,584/1,332,236,294.68 - Step 6: Final answer
x = 1,006,380,710.86
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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.