Finding the Fourth Proportional to 913,450,542.96, 1,260,573,842.52 and 495,767,835.12
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Solution
The fourth proportional to 913,450,542.96, 1,260,573,842.52 and 495,767,835.12 is: 684,166,175.97
Step by Step Solution
- Step 1: Write the proportion equation
913,450,542.96 : 1,260,573,842.52 = 495,767,835.12 : x - Step 2: Convert to fraction form
913,450,542.96/1,260,573,842.52 = 495,767,835.12/x - Step 3: Cross multiply
913,450,542.96x = 1,260,573,842.52 × 495,767,835.12 - Step 4: Simplify right side
913,450,542.96x = 624,951,964,915,040,256 - Step 5: Solve for x
x = 624,951,964,915,040,256/913,450,542.96 - Step 6: Final answer
x = 684,166,175.97
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1.5x scale
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.