Finding the Fourth Proportional to 492,213,908.20, 738,264,875.10 and 128,745,005.80
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Solution
The fourth proportional to 492,213,908.20, 738,264,875.10 and 128,745,005.80 is: 193,102,864.51
Step by Step Solution
- Step 1: Write the proportion equation
492,213,908.20 : 738,264,875.10 = 128,745,005.80 : x - Step 2: Convert to fraction form
492,213,908.20/738,264,875.10 = 128,745,005.80/x - Step 3: Cross multiply
492,213,908.20x = 738,264,875.10 × 128,745,005.80 - Step 4: Simplify right side
492,213,908.20x = 95,047,915,626,685,776 - Step 5: Solve for x
x = 95,047,915,626,685,776/492,213,908.20 - Step 6: Final answer
x = 193,102,864.51
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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.