Finding the Fourth Proportional to 877,421,112.08, 1,316,131,588.22 and 386,134,381.62
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Solution
The fourth proportional to 877,421,112.08, 1,316,131,588.22 and 386,134,381.62 is: 579,201,537.27
Step by Step Solution
- Step 1: Write the proportion equation
877,421,112.08 : 1,316,131,588.22 = 386,134,381.62 : x - Step 2: Convert to fraction form
877,421,112.08/1,316,131,588.22 = 386,134,381.62/x - Step 3: Cross multiply
877,421,112.08x = 1,316,131,588.22 × 386,134,381.62 - Step 4: Simplify right side
877,421,112.08x = 508,203,656,945,947,456 - Step 5: Solve for x
x = 508,203,656,945,947,456/877,421,112.08 - Step 6: Final answer
x = 579,201,537.27
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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.