Finding the Fourth Proportional to 1,250,183,118.08, 1,875,543,450.24 and 421,219,136
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Solution
The fourth proportional to 1,250,183,118.08, 1,875,543,450.24 and 421,219,136 is: 631,919,260.64
Step by Step Solution
- Step 1: Write the proportion equation
1,250,183,118.08 : 1,875,543,450.24 = 421,219,136 : x - Step 2: Convert to fraction form
1,250,183,118.08/1,875,543,450.24 = 421,219,136/x - Step 3: Cross multiply
1,250,183,118.08x = 1,875,543,450.24 × 421,219,136 - Step 4: Simplify right side
1,250,183,118.08x = 790,014,791,640,551,808 - Step 5: Solve for x
x = 790,014,791,640,551,808/1,250,183,118.08 - Step 6: Final answer
x = 631,919,260.64
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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.