Finding the Fourth Proportional to 1,023,893,083.29, 1,412,962,395.62 and 553,984,093.74
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Solution
The fourth proportional to 1,023,893,083.29, 1,412,962,395.62 and 553,984,093.74 is: 764,492,606.70
Step by Step Solution
- Step 1: Write the proportion equation
1,023,893,083.29 : 1,412,962,395.62 = 553,984,093.74 : x - Step 2: Convert to fraction form
1,023,893,083.29/1,412,962,395.62 = 553,984,093.74/x - Step 3: Cross multiply
1,023,893,083.29x = 1,412,962,395.62 × 553,984,093.74 - Step 4: Simplify right side
1,023,893,083.29x = 782,758,692,223,475,200 - Step 5: Solve for x
x = 782,758,692,223,475,200/1,023,893,083.29 - Step 6: Final answer
x = 764,492,606.70
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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.