Finding the Fourth Proportional to 1,343,009,251.19, 2,014,534,756.41 and 397,702,962.63
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Solution
The fourth proportional to 1,343,009,251.19, 2,014,534,756.41 and 397,702,962.63 is: 596,560,626.99
Step by Step Solution
- Step 1: Write the proportion equation
1,343,009,251.19 : 2,014,534,756.41 = 397,702,962.63 : x - Step 2: Convert to fraction form
1,343,009,251.19/2,014,534,756.41 = 397,702,962.63/x - Step 3: Cross multiply
1,343,009,251.19x = 2,014,534,756.41 × 397,702,962.63 - Step 4: Simplify right side
1,343,009,251.19x = 801,186,440,945,362,432 - Step 5: Solve for x
x = 801,186,440,945,362,432/1,343,009,251.19 - Step 6: Final answer
x = 596,560,626.99
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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.