Finding the Fourth Proportional to 364,828,987.47, 503,464,488.20 and 197,565,537.07
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Solution
The fourth proportional to 364,828,987.47, 503,464,488.20 and 197,565,537.07 is: 272,640,704.06
Step by Step Solution
- Step 1: Write the proportion equation
364,828,987.47 : 503,464,488.20 = 197,565,537.07 : x - Step 2: Convert to fraction form
364,828,987.47/503,464,488.20 = 197,565,537.07/x - Step 3: Cross multiply
364,828,987.47x = 503,464,488.20 × 197,565,537.07 - Step 4: Simplify right side
364,828,987.47x = 99,467,232,007,288,048 - Step 5: Solve for x
x = 99,467,232,007,288,048/364,828,987.47 - Step 6: Final answer
x = 272,640,704.06
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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.