Finding the Fourth Proportional to 735,891,636.28, 1,015,687,616.36 and 422,798,485.56
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Solution
The fourth proportional to 735,891,636.28, 1,015,687,616.36 and 422,798,485.56 is: 583,552,203.65
Step by Step Solution
- Step 1: Write the proportion equation
735,891,636.28 : 1,015,687,616.36 = 422,798,485.56 : x - Step 2: Convert to fraction form
735,891,636.28/1,015,687,616.36 = 422,798,485.56/x - Step 3: Cross multiply
735,891,636.28x = 1,015,687,616.36 × 422,798,485.56 - Step 4: Simplify right side
735,891,636.28x = 429,431,185,999,054,272 - Step 5: Solve for x
x = 429,431,185,999,054,272/735,891,636.28 - Step 6: Final answer
x = 583,552,203.65
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1.5x scale
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.