Finding the Fourth Proportional to 818,748,741,651.26, 1,129,839,320,202.50 and 447,950,340,402.28
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Solution
The fourth proportional to 818,748,741,651.26, 1,129,839,320,202.50 and 447,950,340,402.28 is: 618,152,898,853.76
Step by Step Solution
- Step 1: Write the proportion equation
818,748,741,651.26 : 1,129,839,320,202.50 = 447,950,340,402.28 : x - Step 2: Convert to fraction form
818,748,741,651.26/1,129,839,320,202.50 = 447,950,340,402.28/x - Step 3: Cross multiply
818,748,741,651.26x = 1,129,839,320,202.50 × 447,950,340,402.28 - Step 4: Simplify right side
818,748,741,651.26x = 506,111,908,084,590,510,604,288 - Step 5: Solve for x
x = 506,111,908,084,590,510,604,288/818,748,741,651.26 - Step 6: Final answer
x = 618,152,898,853.76
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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.