Finding the Fourth Proportional to 316,115,106.69, 474,170,000.07 and 247,085,972.76
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Solution
The fourth proportional to 316,115,106.69, 474,170,000.07 and 247,085,972.76 is: 370,626,880.02
Step by Step Solution
- Step 1: Write the proportion equation
316,115,106.69 : 474,170,000.07 = 247,085,972.76 : x - Step 2: Convert to fraction form
316,115,106.69/474,170,000.07 = 247,085,972.76/x - Step 3: Cross multiply
316,115,106.69x = 474,170,000.07 × 247,085,972.76 - Step 4: Simplify right side
316,115,106.69x = 117,160,755,720,905,216 - Step 5: Solve for x
x = 117,160,755,720,905,216/316,115,106.69 - Step 6: Final answer
x = 370,626,880.02
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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.