Finding the Fourth Proportional to 1,705,409,431.92, 2,558,358,170.88 and 525,089,779.20
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Solution
The fourth proportional to 1,705,409,431.92, 2,558,358,170.88 and 525,089,779.20 is: 787,709,802.65
Step by Step Solution
- Step 1: Write the proportion equation
1,705,409,431.92 : 2,558,358,170.88 = 525,089,779.20 : x - Step 2: Convert to fraction form
1,705,409,431.92/2,558,358,170.88 = 525,089,779.20/x - Step 3: Cross multiply
1,705,409,431.92x = 2,558,358,170.88 × 525,089,779.20 - Step 4: Simplify right side
1,705,409,431.92x = 1,343,367,727,061,895,168 - Step 5: Solve for x
x = 1,343,367,727,061,895,168/1,705,409,431.92 - Step 6: Final answer
x = 787,709,802.65
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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.