Finding the Fourth Proportional to 2,834,359,931.80, 4,251,539,897.70 and 2,652,961,403.80
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Solution
The fourth proportional to 2,834,359,931.80, 4,251,539,897.70 and 2,652,961,403.80 is: 3,979,442,105.70
Step by Step Solution
- Step 1: Write the proportion equation
2,834,359,931.80 : 4,251,539,897.70 = 2,652,961,403.80 : x - Step 2: Convert to fraction form
2,834,359,931.80/4,251,539,897.70 = 2,652,961,403.80/x - Step 3: Cross multiply
2,834,359,931.80x = 4,251,539,897.70 × 2,652,961,403.80 - Step 4: Simplify right side
2,834,359,931.80x = 11,279,171,255,313,901,568 - Step 5: Solve for x
x = 11,279,171,255,313,901,568/2,834,359,931.80 - Step 6: Final answer
x = 3,979,442,105.70
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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.