Finding the Fourth Proportional to 4,251,537,616.80, 6,377,306,425.20 and 2,074,755,280.80
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Solution
The fourth proportional to 4,251,537,616.80, 6,377,306,425.20 and 2,074,755,280.80 is: 3,112,132,921.20
Step by Step Solution
- Step 1: Write the proportion equation
4,251,537,616.80 : 6,377,306,425.20 = 2,074,755,280.80 : x - Step 2: Convert to fraction form
4,251,537,616.80/6,377,306,425.20 = 2,074,755,280.80/x - Step 3: Cross multiply
4,251,537,616.80x = 6,377,306,425.20 × 2,074,755,280.80 - Step 4: Simplify right side
4,251,537,616.80x = 13,231,350,182,963,470,336 - Step 5: Solve for x
x = 13,231,350,182,963,470,336/4,251,537,616.80 - Step 6: Final answer
x = 3,112,132,921.20
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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.