Finding the Fourth Proportional to 526,903,593.30, 790,357,125.15 and 133,430,204.34
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Solution
The fourth proportional to 526,903,593.30, 790,357,125.15 and 133,430,204.34 is: 200,145,745.92
Step by Step Solution
- Step 1: Write the proportion equation
526,903,593.30 : 790,357,125.15 = 133,430,204.34 : x - Step 2: Convert to fraction form
526,903,593.30/790,357,125.15 = 133,430,204.34/x - Step 3: Cross multiply
526,903,593.30x = 790,357,125.15 × 133,430,204.34 - Step 4: Simplify right side
526,903,593.30x = 105,457,512,710,339,456 - Step 5: Solve for x
x = 105,457,512,710,339,456/526,903,593.30 - Step 6: Final answer
x = 200,145,745.92
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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.