Finding the Fourth Proportional to 808,380,704.30, 1,212,571,056.45 and 726,751,366.70
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Solution
The fourth proportional to 808,380,704.30, 1,212,571,056.45 and 726,751,366.70 is: 1,090,127,050.05
Step by Step Solution
- Step 1: Write the proportion equation
808,380,704.30 : 1,212,571,056.45 = 726,751,366.70 : x - Step 2: Convert to fraction form
808,380,704.30/1,212,571,056.45 = 726,751,366.70/x - Step 3: Cross multiply
808,380,704.30x = 1,212,571,056.45 × 726,751,366.70 - Step 4: Simplify right side
808,380,704.30x = 881,237,672,495,900,416 - Step 5: Solve for x
x = 881,237,672,495,900,416/808,380,704.30 - Step 6: Final answer
x = 1,090,127,050.05
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1.5x scale
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.