Finding the Fourth Proportional to 2,116,844,393,988.40, 3,175,261,747,565 and 907,310,524,567.20
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Solution
The fourth proportional to 2,116,844,393,988.40, 3,175,261,747,565 and 907,310,524,567.20 is: 1,360,963,710,891.05
Step by Step Solution
- Step 1: Write the proportion equation
2,116,844,393,988.40 : 3,175,261,747,565 = 907,310,524,567.20 : x - Step 2: Convert to fraction form
2,116,844,393,988.40/3,175,261,747,565 = 907,310,524,567.20/x - Step 3: Cross multiply
2,116,844,393,988.40x = 3,175,261,747,565 × 907,310,524,567.20 - Step 4: Simplify right side
2,116,844,393,988.40x = 2,880,948,401,821,364,156,104,704 - Step 5: Solve for x
x = 2,880,948,401,821,364,156,104,704/2,116,844,393,988.40 - Step 6: Final answer
x = 1,360,963,710,891.05
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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.