Finding the Fourth Proportional to 351,917,007.84, 485,656,607.52 and 203,235,439.32
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Solution
The fourth proportional to 351,917,007.84, 485,656,607.52 and 203,235,439.32 is: 280,471,337.81
Step by Step Solution
- Step 1: Write the proportion equation
351,917,007.84 : 485,656,607.52 = 203,235,439.32 : x - Step 2: Convert to fraction form
351,917,007.84/485,656,607.52 = 203,235,439.32/x - Step 3: Cross multiply
351,917,007.84x = 485,656,607.52 × 203,235,439.32 - Step 4: Simplify right side
351,917,007.84x = 98,702,633,987,988,016 - Step 5: Solve for x
x = 98,702,633,987,988,016/351,917,007.84 - Step 6: Final answer
x = 280,471,337.81
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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.