Finding the Fourth Proportional to 639,318,473.64, 881,773,345 and 550,160,693.08
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Solution
The fourth proportional to 639,318,473.64, 881,773,345 and 550,160,693.08 is: 758,803,404.92
Step by Step Solution
- Step 1: Write the proportion equation
639,318,473.64 : 881,773,345 = 550,160,693.08 : x - Step 2: Convert to fraction form
639,318,473.64/881,773,345 = 550,160,693.08/x - Step 3: Cross multiply
639,318,473.64x = 881,773,345 × 550,160,693.08 - Step 4: Simplify right side
639,318,473.64x = 485,117,034,624,670,016 - Step 5: Solve for x
x = 485,117,034,624,670,016/639,318,473.64 - Step 6: Final answer
x = 758,803,404.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.