Finding the Fourth Proportional to 1,512,520,848.54, 2,268,785,529.14 and 580,129,502.25
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Solution
The fourth proportional to 1,512,520,848.54, 2,268,785,529.14 and 580,129,502.25 is: 870,195,885.90
Step by Step Solution
- Step 1: Write the proportion equation
1,512,520,848.54 : 2,268,785,529.14 = 580,129,502.25 : x - Step 2: Convert to fraction form
1,512,520,848.54/2,268,785,529.14 = 580,129,502.25/x - Step 3: Cross multiply
1,512,520,848.54x = 2,268,785,529.14 × 580,129,502.25 - Step 4: Simplify right side
1,512,520,848.54x = 1,316,189,419,731,991,040 - Step 5: Solve for x
x = 1,316,189,419,731,991,040/1,512,520,848.54 - Step 6: Final answer
x = 870,195,885.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.