Finding the Fourth Proportional to 440,416,934.16, 607,814,096.09 and 242,213,356
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Solution
The fourth proportional to 440,416,934.16, 607,814,096.09 and 242,213,356 is: 334,275,729.70
Step by Step Solution
- Step 1: Write the proportion equation
440,416,934.16 : 607,814,096.09 = 242,213,356 : x - Step 2: Convert to fraction form
440,416,934.16/607,814,096.09 = 242,213,356/x - Step 3: Cross multiply
440,416,934.16x = 607,814,096.09 × 242,213,356 - Step 4: Simplify right side
440,416,934.16x = 147,220,692,038,065,376 - Step 5: Solve for x
x = 147,220,692,038,065,376/440,416,934.16 - Step 6: Final answer
x = 334,275,729.70
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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.