Finding the Fourth Proportional to 2,260,220,822.80, 3,119,279,259.70 and 1,356,010,663.95
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Solution
The fourth proportional to 2,260,220,822.80, 3,119,279,259.70 and 1,356,010,663.95 is: 1,871,399,421.39
Step by Step Solution
- Step 1: Write the proportion equation
2,260,220,822.80 : 3,119,279,259.70 = 1,356,010,663.95 : x - Step 2: Convert to fraction form
2,260,220,822.80/3,119,279,259.70 = 1,356,010,663.95/x - Step 3: Cross multiply
2,260,220,822.80x = 3,119,279,259.70 × 1,356,010,663.95 - Step 4: Simplify right side
2,260,220,822.80x = 4,229,775,939,991,261,184 - Step 5: Solve for x
x = 4,229,775,939,991,261,184/2,260,220,822.80 - Step 6: Final answer
x = 1,871,399,421.39
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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.