Finding the Fourth Proportional to 314,908,525.17, 434,573,951.81 and 175,679,287.08
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Solution
The fourth proportional to 314,908,525.17, 434,573,951.81 and 175,679,287.08 is: 242,437,520.53
Step by Step Solution
- Step 1: Write the proportion equation
314,908,525.17 : 434,573,951.81 = 175,679,287.08 : x - Step 2: Convert to fraction form
314,908,525.17/434,573,951.81 = 175,679,287.08/x - Step 3: Cross multiply
314,908,525.17x = 434,573,951.81 × 175,679,287.08 - Step 4: Simplify right side
314,908,525.17x = 76,345,642,037,519,088 - Step 5: Solve for x
x = 76,345,642,037,519,088/314,908,525.17 - Step 6: Final answer
x = 242,437,520.53
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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.