Finding the Fourth Proportional to 506,427,953.16, 759,619,084.62 and 211,201,485.96
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Solution
The fourth proportional to 506,427,953.16, 759,619,084.62 and 211,201,485.96 is: 316,792,701.58
Step by Step Solution
- Step 1: Write the proportion equation
506,427,953.16 : 759,619,084.62 = 211,201,485.96 : x - Step 2: Convert to fraction form
506,427,953.16/759,619,084.62 = 211,201,485.96/x - Step 3: Cross multiply
506,427,953.16x = 759,619,084.62 × 211,201,485.96 - Step 4: Simplify right side
506,427,953.16x = 160,432,679,435,318,976 - Step 5: Solve for x
x = 160,432,679,435,318,976/506,427,953.16 - Step 6: Final answer
x = 316,792,701.58
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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.