Finding the Fourth Proportional to 977,764,576.60, 1,466,646,864.90 and 518,599,552.60
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Solution
The fourth proportional to 977,764,576.60, 1,466,646,864.90 and 518,599,552.60 is: 777,899,328.90
Step by Step Solution
- Step 1: Write the proportion equation
977,764,576.60 : 1,466,646,864.90 = 518,599,552.60 : x - Step 2: Convert to fraction form
977,764,576.60/1,466,646,864.90 = 518,599,552.60/x - Step 3: Cross multiply
977,764,576.60x = 1,466,646,864.90 × 518,599,552.60 - Step 4: Simplify right side
977,764,576.60x = 760,602,407,959,332,736 - Step 5: Solve for x
x = 760,602,407,959,332,736/977,764,576.60 - Step 6: Final answer
x = 777,899,328.90
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Double scale
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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.