Finding the Fourth Proportional to 864,825,909.18, 1,193,453,811.99 and 468,339,825.66
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Solution
The fourth proportional to 864,825,909.18, 1,193,453,811.99 and 468,339,825.66 is: 646,305,741.20
Step by Step Solution
- Step 1: Write the proportion equation
864,825,909.18 : 1,193,453,811.99 = 468,339,825.66 : x - Step 2: Convert to fraction form
864,825,909.18/1,193,453,811.99 = 468,339,825.66/x - Step 3: Cross multiply
864,825,909.18x = 1,193,453,811.99 × 468,339,825.66 - Step 4: Simplify right side
864,825,909.18x = 558,941,950,240,659,072 - Step 5: Solve for x
x = 558,941,950,240,659,072/864,825,909.18 - Step 6: Final answer
x = 646,305,741.20
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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.