Finding the Fourth Proportional to 355,569,546,209.28, 490,686,336,920.68 and 192,989,225,634.08
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Solution
The fourth proportional to 355,569,546,209.28, 490,686,336,920.68 and 192,989,225,634.08 is: 266,325,328,479.65
Step by Step Solution
- Step 1: Write the proportion equation
355,569,546,209.28 : 490,686,336,920.68 = 192,989,225,634.08 : x - Step 2: Convert to fraction form
355,569,546,209.28/490,686,336,920.68 = 192,989,225,634.08/x - Step 3: Cross multiply
355,569,546,209.28x = 490,686,336,920.68 × 192,989,225,634.08 - Step 4: Simplify right side
355,569,546,209.28x = 94,697,176,191,545,299,173,376 - Step 5: Solve for x
x = 94,697,176,191,545,299,173,376/355,569,546,209.28 - Step 6: Final answer
x = 266,325,328,479.65
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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.