Finding the Fourth Proportional to 1,351,224,810.24, 2,026,445,720.49 and 405,784,753.98
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Solution
The fourth proportional to 1,351,224,810.24, 2,026,445,720.49 and 405,784,753.98 is: 608,559,561.60
Step by Step Solution
- Step 1: Write the proportion equation
1,351,224,810.24 : 2,026,445,720.49 = 405,784,753.98 : x - Step 2: Convert to fraction form
1,351,224,810.24/2,026,445,720.49 = 405,784,753.98/x - Step 3: Cross multiply
1,351,224,810.24x = 2,026,445,720.49 × 405,784,753.98 - Step 4: Simplify right side
1,351,224,810.24x = 822,300,778,142,858,496 - Step 5: Solve for x
x = 822,300,778,142,858,496/1,351,224,810.24 - Step 6: Final answer
x = 608,559,561.60
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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.