Finding the Fourth Proportional to 3,130,346,270.48, 4,319,819,738.16 and 1,720,620,096.56
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Solution
The fourth proportional to 3,130,346,270.48, 4,319,819,738.16 and 1,720,620,096.56 is: 2,374,423,789.82
Step by Step Solution
- Step 1: Write the proportion equation
3,130,346,270.48 : 4,319,819,738.16 = 1,720,620,096.56 : x - Step 2: Convert to fraction form
3,130,346,270.48/4,319,819,738.16 = 1,720,620,096.56/x - Step 3: Cross multiply
3,130,346,270.48x = 4,319,819,738.16 × 1,720,620,096.56 - Step 4: Simplify right side
3,130,346,270.48x = 7,432,768,654,994,652,160 - Step 5: Solve for x
x = 7,432,768,654,994,652,160/3,130,346,270.48 - Step 6: Final answer
x = 2,374,423,789.82
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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.