Finding the Fourth Proportional to 2,545,284,948.18, 3,817,931,850.99 and 798,621,728.34
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Solution
The fourth proportional to 2,545,284,948.18, 3,817,931,850.99 and 798,621,728.34 is: 1,197,933,982.09
Step by Step Solution
- Step 1: Write the proportion equation
2,545,284,948.18 : 3,817,931,850.99 = 798,621,728.34 : x - Step 2: Convert to fraction form
2,545,284,948.18/3,817,931,850.99 = 798,621,728.34/x - Step 3: Cross multiply
2,545,284,948.18x = 3,817,931,850.99 × 798,621,728.34 - Step 4: Simplify right side
2,545,284,948.18x = 3,049,083,333,521,969,152 - Step 5: Solve for x
x = 3,049,083,333,521,969,152/2,545,284,948.18 - Step 6: Final answer
x = 1,197,933,982.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.