Finding the Fourth Proportional to 434,837,267.02, 651,432,918.61 and 257,042,117.07
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Solution
The fourth proportional to 434,837,267.02, 651,432,918.61 and 257,042,117.07 is: 385,076,692.43
Step by Step Solution
- Step 1: Write the proportion equation
434,837,267.02 : 651,432,918.61 = 257,042,117.07 : x - Step 2: Convert to fraction form
434,837,267.02/651,432,918.61 = 257,042,117.07/x - Step 3: Cross multiply
434,837,267.02x = 651,432,918.61 × 257,042,117.07 - Step 4: Simplify right side
434,837,267.02x = 167,445,696,528,932,416 - Step 5: Solve for x
x = 167,445,696,528,932,416/434,837,267.02 - Step 6: Final answer
x = 385,076,692.43
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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.