Finding the Fourth Proportional to 977,535,362.18, 1,348,989,315.81 and 531,498,719.36
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Solution
The fourth proportional to 977,535,362.18, 1,348,989,315.81 and 531,498,719.36 is: 733,463,076.14
Step by Step Solution
- Step 1: Write the proportion equation
977,535,362.18 : 1,348,989,315.81 = 531,498,719.36 : x - Step 2: Convert to fraction form
977,535,362.18/1,348,989,315.81 = 531,498,719.36/x - Step 3: Cross multiply
977,535,362.18x = 1,348,989,315.81 × 531,498,719.36 - Step 4: Simplify right side
977,535,362.18x = 716,986,093,783,337,600 - Step 5: Solve for x
x = 716,986,093,783,337,600/977,535,362.18 - Step 6: Final answer
x = 733,463,076.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.