Finding the Fourth Proportional to 314,571,920.20, 471,857,880.30 and 192,127,913.80
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Solution
The fourth proportional to 314,571,920.20, 471,857,880.30 and 192,127,913.80 is: 288,191,870.70
Step by Step Solution
- Step 1: Write the proportion equation
314,571,920.20 : 471,857,880.30 = 192,127,913.80 : x - Step 2: Convert to fraction form
314,571,920.20/471,857,880.30 = 192,127,913.80/x - Step 3: Cross multiply
314,571,920.20x = 471,857,880.30 × 192,127,913.80 - Step 4: Simplify right side
314,571,920.20x = 90,657,070,152,129,120 - Step 5: Solve for x
x = 90,657,070,152,129,120/314,571,920.20 - Step 6: Final answer
x = 288,191,870.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.