Finding the Fourth Proportional to 977,486,495.80, 1,466,229,743.70 and 977,486,495.80
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Solution
The fourth proportional to 977,486,495.80, 1,466,229,743.70 and 977,486,495.80 is: 1,466,229,743.70
Step by Step Solution
- Step 1: Write the proportion equation
977,486,495.80 : 1,466,229,743.70 = 977,486,495.80 : x - Step 2: Convert to fraction form
977,486,495.80/1,466,229,743.70 = 977,486,495.80/x - Step 3: Cross multiply
977,486,495.80x = 1,466,229,743.70 × 977,486,495.80 - Step 4: Simplify right side
977,486,495.80x = 1,433,219,774,207,045,120 - Step 5: Solve for x
x = 1,433,219,774,207,045,120/977,486,495.80 - Step 6: Final answer
x = 1,466,229,743.70
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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.