Finding the Fourth Proportional to 982,468,960.63, 1,355,826,043.40 and 536,450,001.60
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Solution
The fourth proportional to 982,468,960.63, 1,355,826,043.40 and 536,450,001.60 is: 740,311,309.88
Step by Step Solution
- Step 1: Write the proportion equation
982,468,960.63 : 1,355,826,043.40 = 536,450,001.60 : x - Step 2: Convert to fraction form
982,468,960.63/1,355,826,043.40 = 536,450,001.60/x - Step 3: Cross multiply
982,468,960.63x = 1,355,826,043.40 × 536,450,001.60 - Step 4: Simplify right side
982,468,960.63x = 727,332,883,154,322,944 - Step 5: Solve for x
x = 727,332,883,154,322,944/982,468,960.63 - Step 6: Final answer
x = 740,311,309.88
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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.