Finding the Fourth Proportional to 3,976,430,795.98, 5,487,480,545.07 and 2,216,260,412.62
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Solution
The fourth proportional to 3,976,430,795.98, 5,487,480,545.07 and 2,216,260,412.62 is: 3,058,442,739.49
Step by Step Solution
- Step 1: Write the proportion equation
3,976,430,795.98 : 5,487,480,545.07 = 2,216,260,412.62 : x - Step 2: Convert to fraction form
3,976,430,795.98/5,487,480,545.07 = 2,216,260,412.62/x - Step 3: Cross multiply
3,976,430,795.98x = 5,487,480,545.07 × 2,216,260,412.62 - Step 4: Simplify right side
3,976,430,795.98x = 12,161,685,897,061,058,560 - Step 5: Solve for x
x = 12,161,685,897,061,058,560/3,976,430,795.98 - Step 6: Final answer
x = 3,058,442,739.49
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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.