Finding the Fourth Proportional to 492,034,274.50, 679,021,470.57 and 272,031,872.26
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Solution
The fourth proportional to 492,034,274.50, 679,021,470.57 and 272,031,872.26 is: 375,411,818.89
Step by Step Solution
- Step 1: Write the proportion equation
492,034,274.50 : 679,021,470.57 = 272,031,872.26 : x - Step 2: Convert to fraction form
492,034,274.50/679,021,470.57 = 272,031,872.26/x - Step 3: Cross multiply
492,034,274.50x = 679,021,470.57 × 272,031,872.26 - Step 4: Simplify right side
492,034,274.50x = 184,715,481,943,895,584 - Step 5: Solve for x
x = 184,715,481,943,895,584/492,034,274.50 - Step 6: Final answer
x = 375,411,818.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.