Finding the Fourth Proportional to 995,329,656.80, 1,390,236,656.80 and 995,329,656.80
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Solution
The fourth proportional to 995,329,656.80, 1,390,236,656.80 and 995,329,656.80 is: 1,390,236,656.80
Step by Step Solution
- Step 1: Write the proportion equation
995,329,656.80 : 1,390,236,656.80 = 995,329,656.80 : x - Step 2: Convert to fraction form
995,329,656.80/1,390,236,656.80 = 995,329,656.80/x - Step 3: Cross multiply
995,329,656.80x = 1,390,236,656.80 × 995,329,656.80 - Step 4: Simplify right side
995,329,656.80x = 1,383,743,774,483,523,328 - Step 5: Solve for x
x = 1,383,743,774,483,523,328/995,329,656.80 - Step 6: Final answer
x = 1,390,236,656.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.