Finding the Fourth Proportional to 859,590,907.80, 1,289,386,361.70 and 596,563,042.20
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Solution
The fourth proportional to 859,590,907.80, 1,289,386,361.70 and 596,563,042.20 is: 894,844,563.30
Step by Step Solution
- Step 1: Write the proportion equation
859,590,907.80 : 1,289,386,361.70 = 596,563,042.20 : x - Step 2: Convert to fraction form
859,590,907.80/1,289,386,361.70 = 596,563,042.20/x - Step 3: Cross multiply
859,590,907.80x = 1,289,386,361.70 × 596,563,042.20 - Step 4: Simplify right side
859,590,907.80x = 769,200,250,506,941,696 - Step 5: Solve for x
x = 769,200,250,506,941,696/859,590,907.80 - Step 6: Final answer
x = 894,844,563.30
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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.