Finding the Fourth Proportional to 422,577,000.90, 633,865,501.35 and 115,868,621.70
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Solution
The fourth proportional to 422,577,000.90, 633,865,501.35 and 115,868,621.70 is: 173,802,932.55
Step by Step Solution
- Step 1: Write the proportion equation
422,577,000.90 : 633,865,501.35 = 115,868,621.70 : x - Step 2: Convert to fraction form
422,577,000.90/633,865,501.35 = 115,868,621.70/x - Step 3: Cross multiply
422,577,000.90x = 633,865,501.35 × 115,868,621.70 - Step 4: Simplify right side
422,577,000.90x = 73,445,121,984,604,000 - Step 5: Solve for x
x = 73,445,121,984,604,000/422,577,000.90 - Step 6: Final answer
x = 173,802,932.55
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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.