Finding the Fourth Proportional to 723,046,593.96, 997,913,369.95 and 440,952,692.00
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Solution
The fourth proportional to 723,046,593.96, 997,913,369.95 and 440,952,692.00 is: 608,581,231.88
Step by Step Solution
- Step 1: Write the proportion equation
723,046,593.96 : 997,913,369.95 = 440,952,692.00 : x - Step 2: Convert to fraction form
723,046,593.96/997,913,369.95 = 440,952,692.00/x - Step 3: Cross multiply
723,046,593.96x = 997,913,369.95 × 440,952,692.00 - Step 4: Simplify right side
723,046,593.96x = 440,032,586,856,152,448 - Step 5: Solve for x
x = 440,032,586,856,152,448/723,046,593.96 - Step 6: Final answer
x = 608,581,231.88
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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.