Finding the Fourth Proportional to 1,103,314,823.91, 1,522,585,026.14 and 608,295,285.99
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Solution
The fourth proportional to 1,103,314,823.91, 1,522,585,026.14 and 608,295,285.99 is: 839,453,321.79
Step by Step Solution
- Step 1: Write the proportion equation
1,103,314,823.91 : 1,522,585,026.14 = 608,295,285.99 : x - Step 2: Convert to fraction form
1,103,314,823.91/1,522,585,026.14 = 608,295,285.99/x - Step 3: Cross multiply
1,103,314,823.91x = 1,522,585,026.14 × 608,295,285.99 - Step 4: Simplify right side
1,103,314,823.91x = 926,181,293,916,881,408 - Step 5: Solve for x
x = 926,181,293,916,881,408/1,103,314,823.91 - Step 6: Final answer
x = 839,453,321.79
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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.