Finding the Fourth Proportional to 3,935,749,738.17, 5,431,399,166.07 and 2,349,980,270.13
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Solution
The fourth proportional to 3,935,749,738.17, 5,431,399,166.07 and 2,349,980,270.13 is: 3,243,011,301.17
Step by Step Solution
- Step 1: Write the proportion equation
3,935,749,738.17 : 5,431,399,166.07 = 2,349,980,270.13 : x - Step 2: Convert to fraction form
3,935,749,738.17/5,431,399,166.07 = 2,349,980,270.13/x - Step 3: Cross multiply
3,935,749,738.17x = 5,431,399,166.07 × 2,349,980,270.13 - Step 4: Simplify right side
3,935,749,738.17x = 12,763,680,879,465,035,776 - Step 5: Solve for x
x = 12,763,680,879,465,035,776/3,935,749,738.17 - Step 6: Final answer
x = 3,243,011,301.17
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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.