Finding the Fourth Proportional to 1,183,392,181.63, 1,775,330,373.35 and 406,937,003.23
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Solution
The fourth proportional to 1,183,392,181.63, 1,775,330,373.35 and 406,937,003.23 is: 610,488,756.89
Step by Step Solution
- Step 1: Write the proportion equation
1,183,392,181.63 : 1,775,330,373.35 = 406,937,003.23 : x - Step 2: Convert to fraction form
1,183,392,181.63/1,775,330,373.35 = 406,937,003.23/x - Step 3: Cross multiply
1,183,392,181.63x = 1,775,330,373.35 × 406,937,003.23 - Step 4: Simplify right side
1,183,392,181.63x = 722,447,621,874,246,016 - Step 5: Solve for x
x = 722,447,621,874,246,016/1,183,392,181.63 - Step 6: Final answer
x = 610,488,756.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.