Finding the Fourth Proportional to 1,854,679,961.60, 2,782,019,942.40 and 1,714,537,779.20
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Solution
The fourth proportional to 1,854,679,961.60, 2,782,019,942.40 and 1,714,537,779.20 is: 2,571,806,668.80
Step by Step Solution
- Step 1: Write the proportion equation
1,854,679,961.60 : 2,782,019,942.40 = 1,714,537,779.20 : x - Step 2: Convert to fraction form
1,854,679,961.60/2,782,019,942.40 = 1,714,537,779.20/x - Step 3: Cross multiply
1,854,679,961.60x = 2,782,019,942.40 × 1,714,537,779.20 - Step 4: Simplify right side
1,854,679,961.60x = 4,769,878,293,732,608,000 - Step 5: Solve for x
x = 4,769,878,293,732,608,000/1,854,679,961.60 - Step 6: Final answer
x = 2,571,806,668.80
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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.