Finding the Fourth Proportional to 326,337,523.28, 450,378,313.80 and 243,687,818.96
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Solution
The fourth proportional to 326,337,523.28, 450,378,313.80 and 243,687,818.96 is: 336,313,482.72
Step by Step Solution
- Step 1: Write the proportion equation
326,337,523.28 : 450,378,313.80 = 243,687,818.96 : x - Step 2: Convert to fraction form
326,337,523.28/450,378,313.80 = 243,687,818.96/x - Step 3: Cross multiply
326,337,523.28x = 450,378,313.80 × 243,687,818.96 - Step 4: Simplify right side
326,337,523.28x = 109,751,708,996,804,480 - Step 5: Solve for x
x = 109,751,708,996,804,480/326,337,523.28 - Step 6: Final answer
x = 336,313,482.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.