Finding the Fourth Proportional to 2,097,761,239.42, 2,894,900,416.95 and 1,157,955,660.61
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Solution
The fourth proportional to 2,097,761,239.42, 2,894,900,416.95 and 1,157,955,660.61 is: 1,597,973,240.10
Step by Step Solution
- Step 1: Write the proportion equation
2,097,761,239.42 : 2,894,900,416.95 = 1,157,955,660.61 : x - Step 2: Convert to fraction form
2,097,761,239.42/2,894,900,416.95 = 1,157,955,660.61/x - Step 3: Cross multiply
2,097,761,239.42x = 2,894,900,416.95 × 1,157,955,660.61 - Step 4: Simplify right side
2,097,761,239.42x = 3,352,166,324,706,664,960 - Step 5: Solve for x
x = 3,352,166,324,706,664,960/2,097,761,239.42 - Step 6: Final answer
x = 1,597,973,240.10
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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.