Finding the Fourth Proportional to 953,856,000.40, 1,430,784,000.60 and 947,809,382.80
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Solution
The fourth proportional to 953,856,000.40, 1,430,784,000.60 and 947,809,382.80 is: 1,421,714,074.20
Step by Step Solution
- Step 1: Write the proportion equation
953,856,000.40 : 1,430,784,000.60 = 947,809,382.80 : x - Step 2: Convert to fraction form
953,856,000.40/1,430,784,000.60 = 947,809,382.80/x - Step 3: Cross multiply
953,856,000.40x = 1,430,784,000.60 × 947,809,382.80 - Step 4: Simplify right side
953,856,000.40x = 1,356,110,500,528,800,768 - Step 5: Solve for x
x = 1,356,110,500,528,800,768/953,856,000.40 - Step 6: Final answer
x = 1,421,714,074.20
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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.