Finding the Fourth Proportional to 440,824,916.04, 608,343,980.34 and 242,609,232.84
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Solution
The fourth proportional to 440,824,916.04, 608,343,980.34 and 242,609,232.84 is: 334,803,821.21
Step by Step Solution
- Step 1: Write the proportion equation
440,824,916.04 : 608,343,980.34 = 242,609,232.84 : x - Step 2: Convert to fraction form
440,824,916.04/608,343,980.34 = 242,609,232.84/x - Step 3: Cross multiply
440,824,916.04x = 608,343,980.34 × 242,609,232.84 - Step 4: Simplify right side
440,824,916.04x = 147,589,866,373,119,456 - Step 5: Solve for x
x = 147,589,866,373,119,456/440,824,916.04 - Step 6: Final answer
x = 334,803,821.21
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1.5x scale
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.