Finding the Fourth Proportional to 437,364,705.38, 603,564,378.63 and 239,138,991.14
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Solution
The fourth proportional to 437,364,705.38, 603,564,378.63 and 239,138,991.14 is: 330,012,401.13
Step by Step Solution
- Step 1: Write the proportion equation
437,364,705.38 : 603,564,378.63 = 239,138,991.14 : x - Step 2: Convert to fraction form
437,364,705.38/603,564,378.63 = 239,138,991.14/x - Step 3: Cross multiply
437,364,705.38x = 603,564,378.63 × 239,138,991.14 - Step 4: Simplify right side
437,364,705.38x = 144,335,776,593,619,168 - Step 5: Solve for x
x = 144,335,776,593,619,168/437,364,705.38 - Step 6: Final answer
x = 330,012,401.13
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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.