Finding the Fourth Proportional to 1,038,951,622.20, 1,558,427,610.42 and 262,599,514.68
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Solution
The fourth proportional to 1,038,951,622.20, 1,558,427,610.42 and 262,599,514.68 is: 393,899,316.79
Step by Step Solution
- Step 1: Write the proportion equation
1,038,951,622.20 : 1,558,427,610.42 = 262,599,514.68 : x - Step 2: Convert to fraction form
1,038,951,622.20/1,558,427,610.42 = 262,599,514.68/x - Step 3: Cross multiply
1,038,951,622.20x = 1,558,427,610.42 × 262,599,514.68 - Step 4: Simplify right side
1,038,951,622.20x = 409,242,334,160,204,160 - Step 5: Solve for x
x = 409,242,334,160,204,160/1,038,951,622.20 - Step 6: Final answer
x = 393,899,316.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.