Finding the Fourth Proportional to 708,588,769.05, 1,062,883,153.58 and 708,588,769.05
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Solution
The fourth proportional to 708,588,769.05, 1,062,883,153.58 and 708,588,769.05 is: 1,062,883,153.58
Step by Step Solution
- Step 1: Write the proportion equation
708,588,769.05 : 1,062,883,153.58 = 708,588,769.05 : x - Step 2: Convert to fraction form
708,588,769.05/1,062,883,153.58 = 708,588,769.05/x - Step 3: Cross multiply
708,588,769.05x = 1,062,883,153.58 × 708,588,769.05 - Step 4: Simplify right side
708,588,769.05x = 753,147,065,435,691,392 - Step 5: Solve for x
x = 753,147,065,435,691,392/708,588,769.05 - Step 6: Final answer
x = 1,062,883,153.58
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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.