Finding the Fourth Proportional to 2,556,556,929.68, 3,831,445,243.77 and 1,312,937,159.99
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Solution
The fourth proportional to 2,556,556,929.68, 3,831,445,243.77 and 1,312,937,159.99 is: 1,967,664,705.06
Step by Step Solution
- Step 1: Write the proportion equation
2,556,556,929.68 : 3,831,445,243.77 = 1,312,937,159.99 : x - Step 2: Convert to fraction form
2,556,556,929.68/3,831,445,243.77 = 1,312,937,159.99/x - Step 3: Cross multiply
2,556,556,929.68x = 3,831,445,243.77 × 1,312,937,159.99 - Step 4: Simplify right side
2,556,556,929.68x = 5,030,446,836,993,419,264 - Step 5: Solve for x
x = 5,030,446,836,993,419,264/2,556,556,929.68 - Step 6: Final answer
x = 1,967,664,705.06
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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.