Finding the Fourth Proportional to 1,051,970,653.26, 1,451,721,202.11 and 582,091,778.70
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Solution
The fourth proportional to 1,051,970,653.26, 1,451,721,202.11 and 582,091,778.70 is: 803,287,595.61
Step by Step Solution
- Step 1: Write the proportion equation
1,051,970,653.26 : 1,451,721,202.11 = 582,091,778.70 : x - Step 2: Convert to fraction form
1,051,970,653.26/1,451,721,202.11 = 582,091,778.70/x - Step 3: Cross multiply
1,051,970,653.26x = 1,451,721,202.11 × 582,091,778.70 - Step 4: Simplify right side
1,051,970,653.26x = 845,034,976,712,712,064 - Step 5: Solve for x
x = 845,034,976,712,712,064/1,051,970,653.26 - Step 6: Final answer
x = 803,287,595.61
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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.