Finding the Fourth Proportional to 1,233,887,126.08, 1,838,006,352.39 and 1,167,055,763.12
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Solution
The fourth proportional to 1,233,887,126.08, 1,838,006,352.39 and 1,167,055,763.12 is: 1,738,453,915.98
Step by Step Solution
- Step 1: Write the proportion equation
1,233,887,126.08 : 1,838,006,352.39 = 1,167,055,763.12 : x - Step 2: Convert to fraction form
1,233,887,126.08/1,838,006,352.39 = 1,167,055,763.12/x - Step 3: Cross multiply
1,233,887,126.08x = 1,838,006,352.39 × 1,167,055,763.12 - Step 4: Simplify right side
1,233,887,126.08x = 2,145,055,906,207,919,104 - Step 5: Solve for x
x = 2,145,055,906,207,919,104/1,233,887,126.08 - Step 6: Final answer
x = 1,738,453,915.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.