Finding the Fourth Proportional to 556,352,251.92, 767,727,701.91 and 308,814,120
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Solution
The fourth proportional to 556,352,251.92, 767,727,701.91 and 308,814,120 is: 426,142,167.75
Step by Step Solution
- Step 1: Write the proportion equation
556,352,251.92 : 767,727,701.91 = 308,814,120 : x - Step 2: Convert to fraction form
556,352,251.92/767,727,701.91 = 308,814,120/x - Step 3: Cross multiply
556,352,251.92x = 767,727,701.91 × 308,814,120 - Step 4: Simplify right side
556,352,251.92x = 237,085,154,664,958,944 - Step 5: Solve for x
x = 237,085,154,664,958,944/556,352,251.92 - Step 6: Final answer
x = 426,142,167.75
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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.