Finding the Fourth Proportional to 1,351,224,802.74, 2,026,445,709.24 and 405,784,746.48
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Solution
The fourth proportional to 1,351,224,802.74, 2,026,445,709.24 and 405,784,746.48 is: 608,559,550.35
Step by Step Solution
- Step 1: Write the proportion equation
1,351,224,802.74 : 2,026,445,709.24 = 405,784,746.48 : x - Step 2: Convert to fraction form
1,351,224,802.74/2,026,445,709.24 = 405,784,746.48/x - Step 3: Cross multiply
1,351,224,802.74x = 2,026,445,709.24 × 405,784,746.48 - Step 4: Simplify right side
1,351,224,802.74x = 822,300,758,379,437,184 - Step 5: Solve for x
x = 822,300,758,379,437,184/1,351,224,802.74 - Step 6: Final answer
x = 608,559,550.35
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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.