Finding the Fourth Proportional to 288,698,947.79, 398,412,381.79 and 163,269,900.26
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Solution
The fourth proportional to 288,698,947.79, 398,412,381.79 and 163,269,900.26 is: 225,316,892.68
Step by Step Solution
- Step 1: Write the proportion equation
288,698,947.79 : 398,412,381.79 = 163,269,900.26 : x - Step 2: Convert to fraction form
288,698,947.79/398,412,381.79 = 163,269,900.26/x - Step 3: Cross multiply
288,698,947.79x = 398,412,381.79 × 163,269,900.26 - Step 4: Simplify right side
288,698,947.79x = 65,048,749,837,202,336 - Step 5: Solve for x
x = 65,048,749,837,202,336/288,698,947.79 - Step 6: Final answer
x = 225,316,892.68
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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.