Finding the Fourth Proportional to 746,703,037.60, 1,119,097,962.60 and 664,435,970.80
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Solution
The fourth proportional to 746,703,037.60, 1,119,097,962.60 and 664,435,970.80 is: 995,802,753.92
Step by Step Solution
- Step 1: Write the proportion equation
746,703,037.60 : 1,119,097,962.60 = 664,435,970.80 : x - Step 2: Convert to fraction form
746,703,037.60/1,119,097,962.60 = 664,435,970.80/x - Step 3: Cross multiply
746,703,037.60x = 1,119,097,962.60 × 664,435,970.80 - Step 4: Simplify right side
746,703,037.60x = 743,568,941,200,433,024 - Step 5: Solve for x
x = 743,568,941,200,433,024/746,703,037.60 - Step 6: Final answer
x = 995,802,753.92
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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.