Finding the Fourth Proportional to 673,744,519.60, 1,010,616,779.40 and 465,136,212.40
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Solution
The fourth proportional to 673,744,519.60, 1,010,616,779.40 and 465,136,212.40 is: 697,704,318.60
Step by Step Solution
- Step 1: Write the proportion equation
673,744,519.60 : 1,010,616,779.40 = 465,136,212.40 : x - Step 2: Convert to fraction form
673,744,519.60/1,010,616,779.40 = 465,136,212.40/x - Step 3: Cross multiply
673,744,519.60x = 1,010,616,779.40 × 465,136,212.40 - Step 4: Simplify right side
673,744,519.60x = 470,074,460,958,002,304 - Step 5: Solve for x
x = 470,074,460,958,002,304/673,744,519.60 - Step 6: Final answer
x = 697,704,318.60
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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.