Finding the Fourth Proportional to 560,442,268.08, 773,458,136.28 and 312,971,430.96
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Solution
The fourth proportional to 560,442,268.08, 773,458,136.28 and 312,971,430.96 is: 431,927,271.53
Step by Step Solution
- Step 1: Write the proportion equation
560,442,268.08 : 773,458,136.28 = 312,971,430.96 : x - Step 2: Convert to fraction form
560,442,268.08/773,458,136.28 = 312,971,430.96/x - Step 3: Cross multiply
560,442,268.08x = 773,458,136.28 × 312,971,430.96 - Step 4: Simplify right side
560,442,268.08x = 242,070,299,699,206,272 - Step 5: Solve for x
x = 242,070,299,699,206,272/560,442,268.08 - Step 6: Final answer
x = 431,927,271.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.