Finding the Fourth Proportional to 2,556,331,403.10, 3,834,497,104.65 and 1,316,585,838.30
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Solution
The fourth proportional to 2,556,331,403.10, 3,834,497,104.65 and 1,316,585,838.30 is: 1,974,878,757.45
Step by Step Solution
- Step 1: Write the proportion equation
2,556,331,403.10 : 3,834,497,104.65 = 1,316,585,838.30 : x - Step 2: Convert to fraction form
2,556,331,403.10/3,834,497,104.65 = 1,316,585,838.30/x - Step 3: Cross multiply
2,556,331,403.10x = 3,834,497,104.65 × 1,316,585,838.30 - Step 4: Simplify right side
2,556,331,403.10x = 5,048,444,584,984,543,232 - Step 5: Solve for x
x = 5,048,444,584,984,543,232/2,556,331,403.10 - Step 6: Final answer
x = 1,974,878,757.45
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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.