Finding the Fourth Proportional to 986,161,914.25, 1,360,925,471.02 and 562,767,145.99
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Solution
The fourth proportional to 986,161,914.25, 1,360,925,471.02 and 562,767,145.99 is: 776,631,232.82
Step by Step Solution
- Step 1: Write the proportion equation
986,161,914.25 : 1,360,925,471.02 = 562,767,145.99 : x - Step 2: Convert to fraction form
986,161,914.25/1,360,925,471.02 = 562,767,145.99/x - Step 3: Cross multiply
986,161,914.25x = 1,360,925,471.02 × 562,767,145.99 - Step 4: Simplify right side
986,161,914.25x = 765,884,143,225,908,096 - Step 5: Solve for x
x = 765,884,143,225,908,096/986,161,914.25 - Step 6: Final answer
x = 776,631,232.82
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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.