Finding the Fourth Proportional to 1,684,668,195.27, 2,324,772,267.32 and 921,708,521.91
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Solution
The fourth proportional to 1,684,668,195.27, 2,324,772,267.32 and 921,708,521.91 is: 1,271,919,548.49
Step by Step Solution
- Step 1: Write the proportion equation
1,684,668,195.27 : 2,324,772,267.32 = 921,708,521.91 : x - Step 2: Convert to fraction form
1,684,668,195.27/2,324,772,267.32 = 921,708,521.91/x - Step 3: Cross multiply
1,684,668,195.27x = 2,324,772,267.32 × 921,708,521.91 - Step 4: Simplify right side
1,684,668,195.27x = 2,142,762,410,288,876,800 - Step 5: Solve for x
x = 2,142,762,410,288,876,800/1,684,668,195.27 - Step 6: Final answer
x = 1,271,919,548.49
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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.