Finding the Fourth Proportional to 1,448,187,440.70, 2,172,281,161.14 and 1,303,068,618.30
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Solution
The fourth proportional to 1,448,187,440.70, 2,172,281,161.14 and 1,303,068,618.30 is: 1,954,602,927.53
Step by Step Solution
- Step 1: Write the proportion equation
1,448,187,440.70 : 2,172,281,161.14 = 1,303,068,618.30 : x - Step 2: Convert to fraction form
1,448,187,440.70/2,172,281,161.14 = 1,303,068,618.30/x - Step 3: Cross multiply
1,448,187,440.70x = 2,172,281,161.14 × 1,303,068,618.30 - Step 4: Simplify right side
1,448,187,440.70x = 2,830,631,411,205,819,392 - Step 5: Solve for x
x = 2,830,631,411,205,819,392/1,448,187,440.70 - Step 6: Final answer
x = 1,954,602,927.53
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1.5x scale
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.