Finding the Fourth Proportional to 2,875,872,881.80, 4,313,809,322.70 and 1,481,159,121.40
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Solution
The fourth proportional to 2,875,872,881.80, 4,313,809,322.70 and 1,481,159,121.40 is: 2,221,738,682.10
Step by Step Solution
- Step 1: Write the proportion equation
2,875,872,881.80 : 4,313,809,322.70 = 1,481,159,121.40 : x - Step 2: Convert to fraction form
2,875,872,881.80/4,313,809,322.70 = 1,481,159,121.40/x - Step 3: Cross multiply
2,875,872,881.80x = 4,313,809,322.70 × 1,481,159,121.40 - Step 4: Simplify right side
2,875,872,881.80x = 6,389,438,026,297,460,736 - Step 5: Solve for x
x = 6,389,438,026,297,460,736/2,875,872,881.80 - Step 6: Final answer
x = 2,221,738,682.10
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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.