Finding the Fourth Proportional to 816,153,543.99, 1,222,435,843.25 and 674,488,452.06
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Solution
The fourth proportional to 816,153,543.99, 1,222,435,843.25 and 674,488,452.06 is: 1,010,249,683.68
Step by Step Solution
- Step 1: Write the proportion equation
816,153,543.99 : 1,222,435,843.25 = 674,488,452.06 : x - Step 2: Convert to fraction form
816,153,543.99/1,222,435,843.25 = 674,488,452.06/x - Step 3: Cross multiply
816,153,543.99x = 1,222,435,843.25 × 674,488,452.06 - Step 4: Simplify right side
816,153,543.99x = 824,518,859,652,980,736 - Step 5: Solve for x
x = 824,518,859,652,980,736/816,153,543.99 - Step 6: Final answer
x = 1,010,249,683.68
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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.