Finding the Fourth Proportional to 552,561,202.55, 828,961,378.05 and 164,423,268.20
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Solution
The fourth proportional to 552,561,202.55, 828,961,378.05 and 164,423,268.20 is: 246,670,483.49
Step by Step Solution
- Step 1: Write the proportion equation
552,561,202.55 : 828,961,378.05 = 164,423,268.20 : x - Step 2: Convert to fraction form
552,561,202.55/828,961,378.05 = 164,423,268.20/x - Step 3: Cross multiply
552,561,202.55x = 828,961,378.05 × 164,423,268.20 - Step 4: Simplify right side
552,561,202.55x = 136,300,538,990,556,720 - Step 5: Solve for x
x = 136,300,538,990,556,720/552,561,202.55 - Step 6: Final answer
x = 246,670,483.49
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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.