Finding the Fourth Proportional to 293,376,542.20, 440,064,813.30 and 260,214,623.80
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Solution
The fourth proportional to 293,376,542.20, 440,064,813.30 and 260,214,623.80 is: 390,321,935.70
Step by Step Solution
- Step 1: Write the proportion equation
293,376,542.20 : 440,064,813.30 = 260,214,623.80 : x - Step 2: Convert to fraction form
293,376,542.20/440,064,813.30 = 260,214,623.80/x - Step 3: Cross multiply
293,376,542.20x = 440,064,813.30 × 260,214,623.80 - Step 4: Simplify right side
293,376,542.20x = 114,511,299,840,476,752 - Step 5: Solve for x
x = 114,511,299,840,476,752/293,376,542.20 - Step 6: Final answer
x = 390,321,935.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.