Finding the Fourth Proportional to 767,668,536.10, 1,149,235,322.55 and 509,175,633.70
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Solution
The fourth proportional to 767,668,536.10, 1,149,235,322.55 and 509,175,633.70 is: 762,259,485.85
Step by Step Solution
- Step 1: Write the proportion equation
767,668,536.10 : 1,149,235,322.55 = 509,175,633.70 : x - Step 2: Convert to fraction form
767,668,536.10/1,149,235,322.55 = 509,175,633.70/x - Step 3: Cross multiply
767,668,536.10x = 1,149,235,322.55 × 509,175,633.70 - Step 4: Simplify right side
767,668,536.10x = 585,162,623,629,820,160 - Step 5: Solve for x
x = 585,162,623,629,820,160/767,668,536.10 - Step 6: Final answer
x = 762,259,485.85
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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.