Finding the Fourth Proportional to 1,637,791,270.96, 2,260,151,787 and 895,238,299.12
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Solution
The fourth proportional to 1,637,791,270.96, 2,260,151,787 and 895,238,299.12 is: 1,235,428,761.54
Step by Step Solution
- Step 1: Write the proportion equation
1,637,791,270.96 : 2,260,151,787 = 895,238,299.12 : x - Step 2: Convert to fraction form
1,637,791,270.96/2,260,151,787 = 895,238,299.12/x - Step 3: Cross multiply
1,637,791,270.96x = 2,260,151,787 × 895,238,299.12 - Step 4: Simplify right side
1,637,791,270.96x = 2,023,374,441,546,908,416 - Step 5: Solve for x
x = 2,023,374,441,546,908,416/1,637,791,270.96 - Step 6: Final answer
x = 1,235,428,761.54
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1.5x scale
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.