Finding the Fourth Proportional to 2,551,126,509.68, 3,520,554,554.76 and 1,377,704,781.68
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Solution
The fourth proportional to 2,551,126,509.68, 3,520,554,554.76 and 1,377,704,781.68 is: 1,901,232,583.27
Step by Step Solution
- Step 1: Write the proportion equation
2,551,126,509.68 : 3,520,554,554.76 = 1,377,704,781.68 : x - Step 2: Convert to fraction form
2,551,126,509.68/3,520,554,554.76 = 1,377,704,781.68/x - Step 3: Cross multiply
2,551,126,509.68x = 3,520,554,554.76 × 1,377,704,781.68 - Step 4: Simplify right side
2,551,126,509.68x = 4,850,284,844,258,155,520 - Step 5: Solve for x
x = 4,850,284,844,258,155,520/2,551,126,509.68 - Step 6: Final answer
x = 1,901,232,583.27
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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.