Finding the Fourth Proportional to 492,073,709.80, 738,119,312.70 and 147,031,594.60
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Solution
The fourth proportional to 492,073,709.80, 738,119,312.70 and 147,031,594.60 is: 220,550,005.80
Step by Step Solution
- Step 1: Write the proportion equation
492,073,709.80 : 738,119,312.70 = 147,031,594.60 : x - Step 2: Convert to fraction form
492,073,709.80/738,119,312.70 = 147,031,594.60/x - Step 3: Cross multiply
492,073,709.80x = 738,119,312.70 × 147,031,594.60 - Step 4: Simplify right side
492,073,709.80x = 108,526,859,551,337,040 - Step 5: Solve for x
x = 108,526,859,551,337,040/492,073,709.80 - Step 6: Final answer
x = 220,550,005.80
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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.