Finding the Fourth Proportional to 543,982,292.00, 750,698,105.18 and 309,045,844.08
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Solution
The fourth proportional to 543,982,292.00, 750,698,105.18 and 309,045,844.08 is: 426,484,709.11
Step by Step Solution
- Step 1: Write the proportion equation
543,982,292.00 : 750,698,105.18 = 309,045,844.08 : x - Step 2: Convert to fraction form
543,982,292.00/750,698,105.18 = 309,045,844.08/x - Step 3: Cross multiply
543,982,292.00x = 750,698,105.18 × 309,045,844.08 - Step 4: Simplify right side
543,982,292.00x = 232,000,129,563,064,448 - Step 5: Solve for x
x = 232,000,129,563,064,448/543,982,292.00 - Step 6: Final answer
x = 426,484,709.11
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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.