Finding the Fourth Proportional to 1,915,190,340.02, 2,642,961,475.44 and 1,035,124,044.02
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Solution
The fourth proportional to 1,915,190,340.02, 2,642,961,475.44 and 1,035,124,044.02 is: 1,428,470,535.53
Step by Step Solution
- Step 1: Write the proportion equation
1,915,190,340.02 : 2,642,961,475.44 = 1,035,124,044.02 : x - Step 2: Convert to fraction form
1,915,190,340.02/2,642,961,475.44 = 1,035,124,044.02/x - Step 3: Cross multiply
1,915,190,340.02x = 2,642,961,475.44 × 1,035,124,044.02 - Step 4: Simplify right side
1,915,190,340.02x = 2,735,792,970,646,518,784 - Step 5: Solve for x
x = 2,735,792,970,646,518,784/1,915,190,340.02 - Step 6: Final answer
x = 1,428,470,535.53
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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.