Finding the Fourth Proportional to 468,387,466.36, 646,162,735.98 and 282,689,121.40
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Solution
The fourth proportional to 468,387,466.36, 646,162,735.98 and 282,689,121.40 is: 389,983,057.26
Step by Step Solution
- Step 1: Write the proportion equation
468,387,466.36 : 646,162,735.98 = 282,689,121.40 : x - Step 2: Convert to fraction form
468,387,466.36/646,162,735.98 = 282,689,121.40/x - Step 3: Cross multiply
468,387,466.36x = 646,162,735.98 × 282,689,121.40 - Step 4: Simplify right side
468,387,466.36x = 182,663,176,115,606,368 - Step 5: Solve for x
x = 182,663,176,115,606,368/468,387,466.36 - Step 6: Final answer
x = 389,983,057.26
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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.