Finding the Fourth Proportional to 7,087,193,896.80, 10,629,783,075.60 and 2,429,282,805.60
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Solution
The fourth proportional to 7,087,193,896.80, 10,629,783,075.60 and 2,429,282,805.60 is: 3,643,578,774.45
Step by Step Solution
- Step 1: Write the proportion equation
7,087,193,896.80 : 10,629,783,075.60 = 2,429,282,805.60 : x - Step 2: Convert to fraction form
7,087,193,896.80/10,629,783,075.60 = 2,429,282,805.60/x - Step 3: Cross multiply
7,087,193,896.80x = 10,629,783,075.60 × 2,429,282,805.60 - Step 4: Simplify right side
7,087,193,896.80x = 25,822,749,252,812,963,840 - Step 5: Solve for x
x = 25,822,749,252,812,963,840/7,087,193,896.80 - Step 6: Final answer
x = 3,643,578,774.45
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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.