Finding the Fourth Proportional to 1,457,279,762.08, 2,185,917,945.28 and 474,704,716.48
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Solution
The fourth proportional to 1,457,279,762.08, 2,185,917,945.28 and 474,704,716.48 is: 712,056,521.65
Step by Step Solution
- Step 1: Write the proportion equation
1,457,279,762.08 : 2,185,917,945.28 = 474,704,716.48 : x - Step 2: Convert to fraction form
1,457,279,762.08/2,185,917,945.28 = 474,704,716.48/x - Step 3: Cross multiply
1,457,279,762.08x = 2,185,917,945.28 × 474,704,716.48 - Step 4: Simplify right side
1,457,279,762.08x = 1,037,665,558,462,686,720 - Step 5: Solve for x
x = 1,037,665,558,462,686,720/1,457,279,762.08 - Step 6: Final answer
x = 712,056,521.65
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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.