Finding the Fourth Proportional to 523,377,214.94, 722,239,528.42 and 285,217,342.07
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Solution
The fourth proportional to 523,377,214.94, 722,239,528.42 and 285,217,342.07 is: 393,588,472.62
Step by Step Solution
- Step 1: Write the proportion equation
523,377,214.94 : 722,239,528.42 = 285,217,342.07 : x - Step 2: Convert to fraction form
523,377,214.94/722,239,528.42 = 285,217,342.07/x - Step 3: Cross multiply
523,377,214.94x = 722,239,528.42 × 285,217,342.07 - Step 4: Simplify right side
523,377,214.94x = 205,995,238,633,842,624 - Step 5: Solve for x
x = 205,995,238,633,842,624/523,377,214.94 - Step 6: Final answer
x = 393,588,472.62
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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.