Finding the Fourth Proportional to 1,861,720,276.53, 2,569,193,780.09 and 1,026,374,740.68
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Solution
The fourth proportional to 1,861,720,276.53, 2,569,193,780.09 and 1,026,374,740.68 is: 1,416,408,057.13
Step by Step Solution
- Step 1: Write the proportion equation
1,861,720,276.53 : 2,569,193,780.09 = 1,026,374,740.68 : x - Step 2: Convert to fraction form
1,861,720,276.53/2,569,193,780.09 = 1,026,374,740.68/x - Step 3: Cross multiply
1,861,720,276.53x = 2,569,193,780.09 × 1,026,374,740.68 - Step 4: Simplify right side
1,861,720,276.53x = 2,636,955,599,791,410,688 - Step 5: Solve for x
x = 2,636,955,599,791,410,688/1,861,720,276.53 - Step 6: Final answer
x = 1,416,408,057.13
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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.