Finding the Fourth Proportional to 7,032,586,907.20, 10,548,880,360.80 and 2,126,017,998.40
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Solution
The fourth proportional to 7,032,586,907.20, 10,548,880,360.80 and 2,126,017,998.40 is: 3,189,026,997.60
Step by Step Solution
- Step 1: Write the proportion equation
7,032,586,907.20 : 10,548,880,360.80 = 2,126,017,998.40 : x - Step 2: Convert to fraction form
7,032,586,907.20/10,548,880,360.80 = 2,126,017,998.40/x - Step 3: Cross multiply
7,032,586,907.20x = 10,548,880,360.80 × 2,126,017,998.40 - Step 4: Simplify right side
7,032,586,907.20x = 22,427,109,510,029,086,720 - Step 5: Solve for x
x = 22,427,109,510,029,086,720/7,032,586,907.20 - Step 6: Final answer
x = 3,189,026,997.60
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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.