Finding the Fourth Proportional to 545,169,125.80, 817,753,688.70 and 330,178,277.80
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Solution
The fourth proportional to 545,169,125.80, 817,753,688.70 and 330,178,277.80 is: 495,267,416.70
Step by Step Solution
- Step 1: Write the proportion equation
545,169,125.80 : 817,753,688.70 = 330,178,277.80 : x - Step 2: Convert to fraction form
545,169,125.80/817,753,688.70 = 330,178,277.80/x - Step 3: Cross multiply
545,169,125.80x = 817,753,688.70 × 330,178,277.80 - Step 4: Simplify right side
545,169,125.80x = 270,004,504,599,563,360 - Step 5: Solve for x
x = 270,004,504,599,563,360/545,169,125.80 - Step 6: Final answer
x = 495,267,416.70
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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.