Finding the Fourth Proportional to 531,465,560.24, 797,128,349.67 and 157,965,473.25
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Solution
The fourth proportional to 531,465,560.24, 797,128,349.67 and 157,965,473.25 is: 236,927,406.81
Step by Step Solution
- Step 1: Write the proportion equation
531,465,560.24 : 797,128,349.67 = 157,965,473.25 : x - Step 2: Convert to fraction form
531,465,560.24/797,128,349.67 = 157,965,473.25/x - Step 3: Cross multiply
531,465,560.24x = 797,128,349.67 × 157,965,473.25 - Step 4: Simplify right side
531,465,560.24x = 125,918,756,996,613,024 - Step 5: Solve for x
x = 125,918,756,996,613,024/531,465,560.24 - Step 6: Final answer
x = 236,927,406.81
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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.