Finding the Fourth Proportional to 532,213,911.98, 734,447,382.19 and 297,268,001.18
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Solution
The fourth proportional to 532,213,911.98, 734,447,382.19 and 297,268,001.18 is: 410,225,475.81
Step by Step Solution
- Step 1: Write the proportion equation
532,213,911.98 : 734,447,382.19 = 297,268,001.18 : x - Step 2: Convert to fraction form
532,213,911.98/734,447,382.19 = 297,268,001.18/x - Step 3: Cross multiply
532,213,911.98x = 734,447,382.19 × 297,268,001.18 - Step 4: Simplify right side
532,213,911.98x = 218,327,705,271,089,440 - Step 5: Solve for x
x = 218,327,705,271,089,440/532,213,911.98 - Step 6: Final answer
x = 410,225,475.81
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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.