Finding the Fourth Proportional to 743,698,497.61, 1,115,683,923.62 and 306,760,819.69
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Solution
The fourth proportional to 743,698,497.61, 1,115,683,923.62 and 306,760,819.69 is: 460,197,399.92
Step by Step Solution
- Step 1: Write the proportion equation
743,698,497.61 : 1,115,683,923.62 = 306,760,819.69 : x - Step 2: Convert to fraction form
743,698,497.61/1,115,683,923.62 = 306,760,819.69/x - Step 3: Cross multiply
743,698,497.61x = 1,115,683,923.62 × 306,760,819.69 - Step 4: Simplify right side
743,698,497.61x = 342,248,114,924,626,496 - Step 5: Solve for x
x = 342,248,114,924,626,496/743,698,497.61 - Step 6: Final answer
x = 460,197,399.92
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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.