Finding the Fourth Proportional to 389,266,597.29, 537,130,117.09 and 236,423,576.26
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Solution
The fourth proportional to 389,266,597.29, 537,130,117.09 and 236,423,576.26 is: 326,229,437.83
Step by Step Solution
- Step 1: Write the proportion equation
389,266,597.29 : 537,130,117.09 = 236,423,576.26 : x - Step 2: Convert to fraction form
389,266,597.29/537,130,117.09 = 236,423,576.26/x - Step 3: Cross multiply
389,266,597.29x = 537,130,117.09 × 236,423,576.26 - Step 4: Simplify right side
389,266,597.29x = 126,990,223,200,337,264 - Step 5: Solve for x
x = 126,990,223,200,337,264/389,266,597.29 - Step 6: Final answer
x = 326,229,437.83
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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.