Finding the Fourth Proportional to 687,822,590.76, 1,031,893,274.97 and 196,542,259.08
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Solution
The fourth proportional to 687,822,590.76, 1,031,893,274.97 and 196,542,259.08 is: 294,858,933.27
Step by Step Solution
- Step 1: Write the proportion equation
687,822,590.76 : 1,031,893,274.97 = 196,542,259.08 : x - Step 2: Convert to fraction form
687,822,590.76/1,031,893,274.97 = 196,542,259.08/x - Step 3: Cross multiply
687,822,590.76x = 1,031,893,274.97 × 196,542,259.08 - Step 4: Simplify right side
687,822,590.76x = 202,810,635,392,063,424 - Step 5: Solve for x
x = 202,810,635,392,063,424/687,822,590.76 - Step 6: Final answer
x = 294,858,933.27
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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.