Finding the Fourth Proportional to 5,615,110,507.34, 7,749,094,636.92 and 3,108,984,440.56
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Solution
The fourth proportional to 5,615,110,507.34, 7,749,094,636.92 and 3,108,984,440.56 is: 4,290,532,594.70
Step by Step Solution
- Step 1: Write the proportion equation
5,615,110,507.34 : 7,749,094,636.92 = 3,108,984,440.56 : x - Step 2: Convert to fraction form
5,615,110,507.34/7,749,094,636.92 = 3,108,984,440.56/x - Step 3: Cross multiply
5,615,110,507.34x = 7,749,094,636.92 × 3,108,984,440.56 - Step 4: Simplify right side
5,615,110,507.34x = 24,091,814,654,602,731,520 - Step 5: Solve for x
x = 24,091,814,654,602,731,520/5,615,110,507.34 - Step 6: Final answer
x = 4,290,532,594.70
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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.