Finding the Fourth Proportional to 292,214,720,986.99, 403,113,015,666.65 and 253,579,414,502.98
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Solution
The fourth proportional to 292,214,720,986.99, 403,113,015,666.65 and 253,579,414,502.98 is: 349,815,239,102.31
Step by Step Solution
- Step 1: Write the proportion equation
292,214,720,986.99 : 403,113,015,666.65 = 253,579,414,502.98 : x - Step 2: Convert to fraction form
292,214,720,986.99/403,113,015,666.65 = 253,579,414,502.98/x - Step 3: Cross multiply
292,214,720,986.99x = 403,113,015,666.65 × 253,579,414,502.98 - Step 4: Simplify right side
292,214,720,986.99x = 102,221,162,491,279,721,889,792 - Step 5: Solve for x
x = 102,221,162,491,279,721,889,792/292,214,720,986.99 - Step 6: Final answer
x = 349,815,239,102.31
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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.