Finding the Fourth Proportional to 914,905,741.59, 1,262,577,814.97 and 497,218,113.09
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Solution
The fourth proportional to 914,905,741.59, 1,262,577,814.97 and 497,218,113.09 is: 686,165,284.85
Step by Step Solution
- Step 1: Write the proportion equation
914,905,741.59 : 1,262,577,814.97 = 497,218,113.09 : x - Step 2: Convert to fraction form
914,905,741.59/1,262,577,814.97 = 497,218,113.09/x - Step 3: Cross multiply
914,905,741.59x = 1,262,577,814.97 × 497,218,113.09 - Step 4: Simplify right side
914,905,741.59x = 627,776,558,786,192,384 - Step 5: Solve for x
x = 627,776,558,786,192,384/914,905,741.59 - Step 6: Final answer
x = 686,165,284.85
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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.