Finding the Fourth Proportional to 1,102,871,397.74, 1,654,306,085.84 and 345,701,312.21
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Solution
The fourth proportional to 1,102,871,397.74, 1,654,306,085.84 and 345,701,312.21 is: 518,551,651.48
Step by Step Solution
- Step 1: Write the proportion equation
1,102,871,397.74 : 1,654,306,085.84 = 345,701,312.21 : x - Step 2: Convert to fraction form
1,102,871,397.74/1,654,306,085.84 = 345,701,312.21/x - Step 3: Cross multiply
1,102,871,397.74x = 1,654,306,085.84 × 345,701,312.21 - Step 4: Simplify right side
1,102,871,397.74x = 571,895,784,661,876,864 - Step 5: Solve for x
x = 571,895,784,661,876,864/1,102,871,397.74 - Step 6: Final answer
x = 518,551,651.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.