Finding the Fourth Proportional to 767,668,506.10, 1,149,235,277.55 and 509,175,603.70
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Solution
The fourth proportional to 767,668,506.10, 1,149,235,277.55 and 509,175,603.70 is: 762,259,440.88
Step by Step Solution
- Step 1: Write the proportion equation
767,668,506.10 : 1,149,235,277.55 = 509,175,603.70 : x - Step 2: Convert to fraction form
767,668,506.10/1,149,235,277.55 = 509,175,603.70/x - Step 3: Cross multiply
767,668,506.10x = 1,149,235,277.55 × 509,175,603.70 - Step 4: Simplify right side
767,668,506.10x = 585,162,566,239,858,304 - Step 5: Solve for x
x = 585,162,566,239,858,304/767,668,506.10 - Step 6: Final answer
x = 762,259,440.88
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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.