Finding the Fourth Proportional to 432,813,951.68, 596,934,984.80 and 380,491,113.92
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Solution
The fourth proportional to 432,813,951.68, 596,934,984.80 and 380,491,113.92 is: 524,771,570.84
Step by Step Solution
- Step 1: Write the proportion equation
432,813,951.68 : 596,934,984.80 = 380,491,113.92 : x - Step 2: Convert to fraction form
432,813,951.68/596,934,984.80 = 380,491,113.92/x - Step 3: Cross multiply
432,813,951.68x = 596,934,984.80 × 380,491,113.92 - Step 4: Simplify right side
432,813,951.68x = 227,128,457,304,370,272 - Step 5: Solve for x
x = 227,128,457,304,370,272/432,813,951.68 - Step 6: Final answer
x = 524,771,570.84
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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.