Finding the Fourth Proportional to 368,963,283.52, 509,170,357.48 and 201,701,565.88
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Solution
The fourth proportional to 368,963,283.52, 509,170,357.48 and 201,701,565.88 is: 278,348,721.92
Step by Step Solution
- Step 1: Write the proportion equation
368,963,283.52 : 509,170,357.48 = 201,701,565.88 : x - Step 2: Convert to fraction form
368,963,283.52/509,170,357.48 = 201,701,565.88/x - Step 3: Cross multiply
368,963,283.52x = 509,170,357.48 × 201,701,565.88 - Step 4: Simplify right side
368,963,283.52x = 102,700,458,403,395,376 - Step 5: Solve for x
x = 102,700,458,403,395,376/368,963,283.52 - Step 6: Final answer
x = 278,348,721.92
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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.