Finding the Fourth Proportional to 654,934,233.80, 982,401,350.70 and 310,560,465.80
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Solution
The fourth proportional to 654,934,233.80, 982,401,350.70 and 310,560,465.80 is: 465,840,698.70
Step by Step Solution
- Step 1: Write the proportion equation
654,934,233.80 : 982,401,350.70 = 310,560,465.80 : x - Step 2: Convert to fraction form
654,934,233.80/982,401,350.70 = 310,560,465.80/x - Step 3: Cross multiply
654,934,233.80x = 982,401,350.70 × 310,560,465.80 - Step 4: Simplify right side
654,934,233.80x = 305,095,021,075,941,184 - Step 5: Solve for x
x = 305,095,021,075,941,184/654,934,233.80 - Step 6: Final answer
x = 465,840,698.70
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Double scale
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Similar ratio
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1.5x scale
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.