Finding the Fourth Proportional to 318,730,475.49, 439,836,444.06 and 177,594,403.80
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Solution
The fourth proportional to 318,730,475.49, 439,836,444.06 and 177,594,403.80 is: 245,073,807.06
Step by Step Solution
- Step 1: Write the proportion equation
318,730,475.49 : 439,836,444.06 = 177,594,403.80 : x - Step 2: Convert to fraction form
318,730,475.49/439,836,444.06 = 177,594,403.80/x - Step 3: Cross multiply
318,730,475.49x = 439,836,444.06 × 177,594,403.80 - Step 4: Simplify right side
318,730,475.49x = 78,112,491,053,331,152 - Step 5: Solve for x
x = 78,112,491,053,331,152/318,730,475.49 - Step 6: Final answer
x = 245,073,807.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.