Finding the Fourth Proportional to 927,331,379.97, 1,279,729,782.23 and 503,953,445.31
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Solution
The fourth proportional to 927,331,379.97, 1,279,729,782.23 and 503,953,445.31 is: 695,462,535.56
Step by Step Solution
- Step 1: Write the proportion equation
927,331,379.97 : 1,279,729,782.23 = 503,953,445.31 : x - Step 2: Convert to fraction form
927,331,379.97/1,279,729,782.23 = 503,953,445.31/x - Step 3: Cross multiply
927,331,379.97x = 1,279,729,782.23 × 503,953,445.31 - Step 4: Simplify right side
927,331,379.97x = 644,924,232,818,104,704 - Step 5: Solve for x
x = 644,924,232,818,104,704/927,331,379.97 - Step 6: Final answer
x = 695,462,535.56
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1.5x scale
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.