Finding the Fourth Proportional to 985,282,353.22, 1,359,693,249.58 and 533,160,322.82
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Solution
The fourth proportional to 985,282,353.22, 1,359,693,249.58 and 533,160,322.82 is: 735,763,194.70
Step by Step Solution
- Step 1: Write the proportion equation
985,282,353.22 : 1,359,693,249.58 = 533,160,322.82 : x - Step 2: Convert to fraction form
985,282,353.22/1,359,693,249.58 = 533,160,322.82/x - Step 3: Cross multiply
985,282,353.22x = 1,359,693,249.58 × 533,160,322.82 - Step 4: Simplify right side
985,282,353.22x = 724,934,491,882,247,552 - Step 5: Solve for x
x = 724,934,491,882,247,552/985,282,353.22 - Step 6: Final answer
x = 735,763,194.70
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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.