Finding the Fourth Proportional to 487,727,236.68, 731,426,854.38 and 176,769,759.72
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Solution
The fourth proportional to 487,727,236.68, 731,426,854.38 and 176,769,759.72 is: 265,095,199.89
Step by Step Solution
- Step 1: Write the proportion equation
487,727,236.68 : 731,426,854.38 = 176,769,759.72 : x - Step 2: Convert to fraction form
487,727,236.68/731,426,854.38 = 176,769,759.72/x - Step 3: Cross multiply
487,727,236.68x = 731,426,854.38 × 176,769,759.72 - Step 4: Simplify right side
487,727,236.68x = 129,294,149,301,508,032 - Step 5: Solve for x
x = 129,294,149,301,508,032/487,727,236.68 - Step 6: Final answer
x = 265,095,199.89
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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.