Finding the Fourth Proportional to 708,588,715.80, 1,062,883,073.70 and 364,214,947.80
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Solution
The fourth proportional to 708,588,715.80, 1,062,883,073.70 and 364,214,947.80 is: 546,322,421.70
Step by Step Solution
- Step 1: Write the proportion equation
708,588,715.80 : 1,062,883,073.70 = 364,214,947.80 : x - Step 2: Convert to fraction form
708,588,715.80/1,062,883,073.70 = 364,214,947.80/x - Step 3: Cross multiply
708,588,715.80x = 1,062,883,073.70 × 364,214,947.80 - Step 4: Simplify right side
708,588,715.80x = 387,117,903,205,149,056 - Step 5: Solve for x
x = 387,117,903,205,149,056/708,588,715.80 - Step 6: Final answer
x = 546,322,421.70
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Similar ratio
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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.