Finding the Fourth Proportional to 2,630,119,138.65, 3,629,435,433.26 and 1,440,693,384.48
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Solution
The fourth proportional to 2,630,119,138.65, 3,629,435,433.26 and 1,440,693,384.48 is: 1,988,086,220.60
Step by Step Solution
- Step 1: Write the proportion equation
2,630,119,138.65 : 3,629,435,433.26 = 1,440,693,384.48 : x - Step 2: Convert to fraction form
2,630,119,138.65/3,629,435,433.26 = 1,440,693,384.48/x - Step 3: Cross multiply
2,630,119,138.65x = 3,629,435,433.26 × 1,440,693,384.48 - Step 4: Simplify right side
2,630,119,138.65x = 5,228,903,618,087,781,376 - Step 5: Solve for x
x = 5,228,903,618,087,781,376/2,630,119,138.65 - Step 6: Final answer
x = 1,988,086,220.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.