Finding the Fourth Proportional to 1,910,502,939.36, 2,865,744,789.84 and 746,089,672.80
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Solution
The fourth proportional to 1,910,502,939.36, 2,865,744,789.84 and 746,089,672.80 is: 1,119,130,752.71
Step by Step Solution
- Step 1: Write the proportion equation
1,910,502,939.36 : 2,865,744,789.84 = 746,089,672.80 : x - Step 2: Convert to fraction form
1,910,502,939.36/2,865,744,789.84 = 746,089,672.80/x - Step 3: Cross multiply
1,910,502,939.36x = 2,865,744,789.84 × 746,089,672.80 - Step 4: Simplify right side
1,910,502,939.36x = 2,138,102,592,580,030,464 - Step 5: Solve for x
x = 2,138,102,592,580,030,464/1,910,502,939.36 - Step 6: Final answer
x = 1,119,130,752.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.