Finding the Fourth Proportional to 864,899,421.26, 1,193,560,824.30 and 468,422,429.18
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Solution
The fourth proportional to 864,899,421.26, 1,193,560,824.30 and 468,422,429.18 is: 646,422,748.07
Step by Step Solution
- Step 1: Write the proportion equation
864,899,421.26 : 1,193,560,824.30 = 468,422,429.18 : x - Step 2: Convert to fraction form
864,899,421.26/1,193,560,824.30 = 468,422,429.18/x - Step 3: Cross multiply
864,899,421.26x = 1,193,560,824.30 × 468,422,429.18 - Step 4: Simplify right side
864,899,421.26x = 559,090,660,692,689,152 - Step 5: Solve for x
x = 559,090,660,692,689,152/864,899,421.26 - Step 6: Final answer
x = 646,422,748.07
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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.