Finding the Fourth Proportional to 5,356,808,692.99, 7,385,533,644.68 and 4,387,622,167.32
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Solution
The fourth proportional to 5,356,808,692.99, 7,385,533,644.68 and 4,387,622,167.32 is: 6,049,297,817.80
Step by Step Solution
- Step 1: Write the proportion equation
5,356,808,692.99 : 7,385,533,644.68 = 4,387,622,167.32 : x - Step 2: Convert to fraction form
5,356,808,692.99/7,385,533,644.68 = 4,387,622,167.32/x - Step 3: Cross multiply
5,356,808,692.99x = 7,385,533,644.68 × 4,387,622,167.32 - Step 4: Simplify right side
5,356,808,692.99x = 32,404,931,136,885,641,216 - Step 5: Solve for x
x = 32,404,931,136,885,641,216/5,356,808,692.99 - Step 6: Final answer
x = 6,049,297,817.80
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1.5x scale
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.