Finding the Fourth Proportional to 483,136,567.38, 724,650,579.63 and 133,432,349.94
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Solution
The fourth proportional to 483,136,567.38, 724,650,579.63 and 133,432,349.94 is: 200,133,536.26
Step by Step Solution
- Step 1: Write the proportion equation
483,136,567.38 : 724,650,579.63 = 133,432,349.94 : x - Step 2: Convert to fraction form
483,136,567.38/724,650,579.63 = 133,432,349.94/x - Step 3: Cross multiply
483,136,567.38x = 724,650,579.63 × 133,432,349.94 - Step 4: Simplify right side
483,136,567.38x = 96,691,829,725,414,000 - Step 5: Solve for x
x = 96,691,829,725,414,000/483,136,567.38 - Step 6: Final answer
x = 200,133,536.26
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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.