Finding the Fourth Proportional to 571,024,964.21, 788,272,655.10 and 359,642,451.96
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Solution
The fourth proportional to 571,024,964.21, 788,272,655.10 and 359,642,451.96 is: 496,469,205.83
Step by Step Solution
- Step 1: Write the proportion equation
571,024,964.21 : 788,272,655.10 = 359,642,451.96 : x - Step 2: Convert to fraction form
571,024,964.21/788,272,655.10 = 359,642,451.96/x - Step 3: Cross multiply
571,024,964.21x = 788,272,655.10 × 359,642,451.96 - Step 4: Simplify right side
571,024,964.21x = 283,496,310,489,242,016 - Step 5: Solve for x
x = 283,496,310,489,242,016/571,024,964.21 - Step 6: Final answer
x = 496,469,205.83
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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.