Finding the Fourth Proportional to 439,685,124.08, 659,548,896.12 and 144,573,710.14
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Solution
The fourth proportional to 439,685,124.08, 659,548,896.12 and 144,573,710.14 is: 216,867,539.31
Step by Step Solution
- Step 1: Write the proportion equation
439,685,124.08 : 659,548,896.12 = 144,573,710.14 : x - Step 2: Convert to fraction form
439,685,124.08/659,548,896.12 = 144,573,710.14/x - Step 3: Cross multiply
439,685,124.08x = 659,548,896.12 × 144,573,710.14 - Step 4: Simplify right side
439,685,124.08x = 95,353,430,929,160,976 - Step 5: Solve for x
x = 95,353,430,929,160,976/439,685,124.08 - Step 6: Final answer
x = 216,867,539.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.