Finding the Fourth Proportional to 1,051,114,497.97, 1,576,828,523.82 and 387,077,459.94
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Solution
The fourth proportional to 1,051,114,497.97, 1,576,828,523.82 and 387,077,459.94 is: 580,673,923.67
Step by Step Solution
- Step 1: Write the proportion equation
1,051,114,497.97 : 1,576,828,523.82 = 387,077,459.94 : x - Step 2: Convert to fraction form
1,051,114,497.97/1,576,828,523.82 = 387,077,459.94/x - Step 3: Cross multiply
1,051,114,497.97x = 1,576,828,523.82 × 387,077,459.94 - Step 4: Simplify right side
1,051,114,497.97x = 610,354,779,761,185,408 - Step 5: Solve for x
x = 610,354,779,761,185,408/1,051,114,497.97 - Step 6: Final answer
x = 580,673,923.67
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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.