Finding the Fourth Proportional to 501,464,696.13, 692,017,669.49 and 278,445,283.65
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Solution
The fourth proportional to 501,464,696.13, 692,017,669.49 and 278,445,283.65 is: 384,252,486.28
Step by Step Solution
- Step 1: Write the proportion equation
501,464,696.13 : 692,017,669.49 = 278,445,283.65 : x - Step 2: Convert to fraction form
501,464,696.13/692,017,669.49 = 278,445,283.65/x - Step 3: Cross multiply
501,464,696.13x = 692,017,669.49 × 278,445,283.65 - Step 4: Simplify right side
501,464,696.13x = 192,689,056,270,562,752 - Step 5: Solve for x
x = 192,689,056,270,562,752/501,464,696.13 - Step 6: Final answer
x = 384,252,486.28
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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.