Finding the Fourth Proportional to 776,750,160.29, 1,165,584,921.44 and 285,808,192.70
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Solution
The fourth proportional to 776,750,160.29, 1,165,584,921.44 and 285,808,192.70 is: 428,881,430.43
Step by Step Solution
- Step 1: Write the proportion equation
776,750,160.29 : 1,165,584,921.44 = 285,808,192.70 : x - Step 2: Convert to fraction form
776,750,160.29/1,165,584,921.44 = 285,808,192.70/x - Step 3: Cross multiply
776,750,160.29x = 1,165,584,921.44 × 285,808,192.70 - Step 4: Simplify right side
776,750,160.29x = 333,133,719,827,880,896 - Step 5: Solve for x
x = 333,133,719,827,880,896/776,750,160.29 - Step 6: Final answer
x = 428,881,430.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.