Finding the Fourth Proportional to 293,376,554.20, 440,064,831.30 and 260,214,635.80
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Solution
The fourth proportional to 293,376,554.20, 440,064,831.30 and 260,214,635.80 is: 390,321,953.70
Step by Step Solution
- Step 1: Write the proportion equation
293,376,554.20 : 440,064,831.30 = 260,214,635.80 : x - Step 2: Convert to fraction form
293,376,554.20/440,064,831.30 = 260,214,635.80/x - Step 3: Cross multiply
293,376,554.20x = 440,064,831.30 × 260,214,635.80 - Step 4: Simplify right side
293,376,554.20x = 114,511,309,805,117,952 - Step 5: Solve for x
x = 114,511,309,805,117,952/293,376,554.20 - Step 6: Final answer
x = 390,321,953.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.