Finding the Fourth Proportional to 862,803,191.12, 1,294,259,269.08 and 364,720,828.96
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Solution
The fourth proportional to 862,803,191.12, 1,294,259,269.08 and 364,720,828.96 is: 547,104,274.03
Step by Step Solution
- Step 1: Write the proportion equation
862,803,191.12 : 1,294,259,269.08 = 364,720,828.96 : x - Step 2: Convert to fraction form
862,803,191.12/1,294,259,269.08 = 364,720,828.96/x - Step 3: Cross multiply
862,803,191.12x = 1,294,259,269.08 × 364,720,828.96 - Step 4: Simplify right side
862,803,191.12x = 472,043,313,508,021,248 - Step 5: Solve for x
x = 472,043,313,508,021,248/862,803,191.12 - Step 6: Final answer
x = 547,104,274.03
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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.