Finding the Fourth Proportional to 2,438,994,115.37, 3,365,842,490.63 and 1,325,178,809.93
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Solution
The fourth proportional to 2,438,994,115.37, 3,365,842,490.63 and 1,325,178,809.93 is: 1,828,763,389.81
Step by Step Solution
- Step 1: Write the proportion equation
2,438,994,115.37 : 3,365,842,490.63 = 1,325,178,809.93 : x - Step 2: Convert to fraction form
2,438,994,115.37/3,365,842,490.63 = 1,325,178,809.93/x - Step 3: Cross multiply
2,438,994,115.37x = 3,365,842,490.63 × 1,325,178,809.93 - Step 4: Simplify right side
2,438,994,115.37x = 4,460,343,146,144,890,880 - Step 5: Solve for x
x = 4,460,343,146,144,890,880/2,438,994,115.37 - Step 6: Final answer
x = 1,828,763,389.81
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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.