Finding the Fourth Proportional to 1,457,708,882.09, 2,013,027,579.67 and 1,378,293,831.83
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Solution
The fourth proportional to 1,457,708,882.09, 2,013,027,579.67 and 1,378,293,831.83 is: 1,903,359,120.92
Step by Step Solution
- Step 1: Write the proportion equation
1,457,708,882.09 : 2,013,027,579.67 = 1,378,293,831.83 : x - Step 2: Convert to fraction form
1,457,708,882.09/2,013,027,579.67 = 1,378,293,831.83/x - Step 3: Cross multiply
1,457,708,882.09x = 2,013,027,579.67 × 1,378,293,831.83 - Step 4: Simplify right side
1,457,708,882.09x = 2,774,543,496,373,932,032 - Step 5: Solve for x
x = 2,774,543,496,373,932,032/1,457,708,882.09 - Step 6: Final answer
x = 1,903,359,120.92
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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.