Finding the Fourth Proportional to 292,214,720,987.99, 403,113,015,668.03 and 253,579,414,503.98
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Solution
The fourth proportional to 292,214,720,987.99, 403,113,015,668.03 and 253,579,414,503.98 is: 349,815,239,103.69
Step by Step Solution
- Step 1: Write the proportion equation
292,214,720,987.99 : 403,113,015,668.03 = 253,579,414,503.98 : x - Step 2: Convert to fraction form
292,214,720,987.99/403,113,015,668.03 = 253,579,414,503.98/x - Step 3: Cross multiply
292,214,720,987.99x = 403,113,015,668.03 × 253,579,414,503.98 - Step 4: Simplify right side
292,214,720,987.99x = 102,221,162,492,032,767,229,952 - Step 5: Solve for x
x = 102,221,162,492,032,767,229,952/292,214,720,987.99 - Step 6: Final answer
x = 349,815,239,103.69
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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.