Finding the Fourth Proportional to 2,556,331,455.60, 3,834,497,183.40 and 1,316,585,890.80
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Solution
The fourth proportional to 2,556,331,455.60, 3,834,497,183.40 and 1,316,585,890.80 is: 1,974,878,836.20
Step by Step Solution
- Step 1: Write the proportion equation
2,556,331,455.60 : 3,834,497,183.40 = 1,316,585,890.80 : x - Step 2: Convert to fraction form
2,556,331,455.60/3,834,497,183.40 = 1,316,585,890.80/x - Step 3: Cross multiply
2,556,331,455.60x = 3,834,497,183.40 × 1,316,585,890.80 - Step 4: Simplify right side
2,556,331,455.60x = 5,048,444,889,976,779,776 - Step 5: Solve for x
x = 5,048,444,889,976,779,776/2,556,331,455.60 - Step 6: Final answer
x = 1,974,878,836.20
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1.5x scale
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.