Finding the Fourth Proportional to 3,124,890,147.30, 4,680,816,211.35 and 1,468,211,403.30
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Solution
The fourth proportional to 3,124,890,147.30, 4,680,816,211.35 and 1,468,211,403.30 is: 2,199,254,186.33
Step by Step Solution
- Step 1: Write the proportion equation
3,124,890,147.30 : 4,680,816,211.35 = 1,468,211,403.30 : x - Step 2: Convert to fraction form
3,124,890,147.30/4,680,816,211.35 = 1,468,211,403.30/x - Step 3: Cross multiply
3,124,890,147.30x = 4,680,816,211.35 × 1,468,211,403.30 - Step 4: Simplify right side
3,124,890,147.30x = 6,872,427,738,255,572,992 - Step 5: Solve for x
x = 6,872,427,738,255,572,992/3,124,890,147.30 - Step 6: Final answer
x = 2,199,254,186.33
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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.