Finding the Fourth Proportional to 526,903,354.44, 790,356,766.68 and 133,429,965.48
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Solution
The fourth proportional to 526,903,354.44, 790,356,766.68 and 133,429,965.48 is: 200,145,387.59
Step by Step Solution
- Step 1: Write the proportion equation
526,903,354.44 : 790,356,766.68 = 133,429,965.48 : x - Step 2: Convert to fraction form
526,903,354.44/790,356,766.68 = 133,429,965.48/x - Step 3: Cross multiply
526,903,354.44x = 790,356,766.68 × 133,429,965.48 - Step 4: Simplify right side
526,903,354.44x = 105,457,276,094,996,816 - Step 5: Solve for x
x = 105,457,276,094,996,816/526,903,354.44 - Step 6: Final answer
x = 200,145,387.59
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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.