Finding the Fourth Proportional to 1,171,219,412.23, 1,756,767,243.79 and 384,169,392.08
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Solution
The fourth proportional to 1,171,219,412.23, 1,756,767,243.79 and 384,169,392.08 is: 576,233,792.77
Step by Step Solution
- Step 1: Write the proportion equation
1,171,219,412.23 : 1,756,767,243.79 = 384,169,392.08 : x - Step 2: Convert to fraction form
1,171,219,412.23/1,756,767,243.79 = 384,169,392.08/x - Step 3: Cross multiply
1,171,219,412.23x = 1,756,767,243.79 × 384,169,392.08 - Step 4: Simplify right side
1,171,219,412.23x = 674,896,204,072,861,440 - Step 5: Solve for x
x = 674,896,204,072,861,440/1,171,219,412.23 - Step 6: Final answer
x = 576,233,792.77
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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.