Finding the Fourth Proportional to 836,364,117.21, 1,254,689,102.09 and 344,808,677.69
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Solution
The fourth proportional to 836,364,117.21, 1,254,689,102.09 and 344,808,677.69 is: 517,271,940.88
Step by Step Solution
- Step 1: Write the proportion equation
836,364,117.21 : 1,254,689,102.09 = 344,808,677.69 : x - Step 2: Convert to fraction form
836,364,117.21/1,254,689,102.09 = 344,808,677.69/x - Step 3: Cross multiply
836,364,117.21x = 1,254,689,102.09 × 344,808,677.69 - Step 4: Simplify right side
836,364,117.21x = 432,627,690,195,708,864 - Step 5: Solve for x
x = 432,627,690,195,708,864/836,364,117.21 - Step 6: Final answer
x = 517,271,940.88
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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.