Finding the Fourth Proportional to 367,019,322.75, 506,490,805.63 and 199,756,654.80
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Solution
The fourth proportional to 367,019,322.75, 506,490,805.63 and 199,756,654.80 is: 275,666,437.02
Step by Step Solution
- Step 1: Write the proportion equation
367,019,322.75 : 506,490,805.63 = 199,756,654.80 : x - Step 2: Convert to fraction form
367,019,322.75/506,490,805.63 = 199,756,654.80/x - Step 3: Cross multiply
367,019,322.75x = 506,490,805.63 × 199,756,654.80 - Step 4: Simplify right side
367,019,322.75x = 101,174,909,019,605,808 - Step 5: Solve for x
x = 101,174,909,019,605,808/367,019,322.75 - Step 6: Final answer
x = 275,666,437.02
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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.