Finding the Fourth Proportional to 977,460,455.70, 1,466,190,683.55 and 977,460,455.70
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Solution
The fourth proportional to 977,460,455.70, 1,466,190,683.55 and 977,460,455.70 is: 1,466,190,683.55
Step by Step Solution
- Step 1: Write the proportion equation
977,460,455.70 : 1,466,190,683.55 = 977,460,455.70 : x - Step 2: Convert to fraction form
977,460,455.70/1,466,190,683.55 = 977,460,455.70/x - Step 3: Cross multiply
977,460,455.70x = 1,466,190,683.55 × 977,460,455.70 - Step 4: Simplify right side
977,460,455.70x = 1,433,143,413,685,877,504 - Step 5: Solve for x
x = 1,433,143,413,685,877,504/977,460,455.70 - Step 6: Final answer
x = 1,466,190,683.55
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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.