Finding the Fourth Proportional to 1,722,169,739.58, 2,583,631,354.29 and 557,755,936.53
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Solution
The fourth proportional to 1,722,169,739.58, 2,583,631,354.29 and 557,755,936.53 is: 836,755,920.48
Step by Step Solution
- Step 1: Write the proportion equation
1,722,169,739.58 : 2,583,631,354.29 = 557,755,936.53 : x - Step 2: Convert to fraction form
1,722,169,739.58/2,583,631,354.29 = 557,755,936.53/x - Step 3: Cross multiply
1,722,169,739.58x = 2,583,631,354.29 × 557,755,936.53 - Step 4: Simplify right side
1,722,169,739.58x = 1,441,035,725,660,291,072 - Step 5: Solve for x
x = 1,441,035,725,660,291,072/1,722,169,739.58 - Step 6: Final answer
x = 836,755,920.48
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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.