Finding the Fourth Proportional to 414,731,381.18, 572,465,698.59 and 330,113,716.01
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Solution
The fourth proportional to 414,731,381.18, 572,465,698.59 and 330,113,716.01 is: 455,665,492.47
Step by Step Solution
- Step 1: Write the proportion equation
414,731,381.18 : 572,465,698.59 = 330,113,716.01 : x - Step 2: Convert to fraction form
414,731,381.18/572,465,698.59 = 330,113,716.01/x - Step 3: Cross multiply
414,731,381.18x = 572,465,698.59 × 330,113,716.01 - Step 4: Simplify right side
414,731,381.18x = 188,978,779,049,948,480 - Step 5: Solve for x
x = 188,978,779,049,948,480/414,731,381.18 - Step 6: Final answer
x = 455,665,492.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.