Finding the Fourth Proportional to 4,354,708,969.90, 6,532,063,454.85 and 3,905,747,613.10
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Solution
The fourth proportional to 4,354,708,969.90, 6,532,063,454.85 and 3,905,747,613.10 is: 5,858,621,419.65
Step by Step Solution
- Step 1: Write the proportion equation
4,354,708,969.90 : 6,532,063,454.85 = 3,905,747,613.10 : x - Step 2: Convert to fraction form
4,354,708,969.90/6,532,063,454.85 = 3,905,747,613.10/x - Step 3: Cross multiply
4,354,708,969.90x = 6,532,063,454.85 × 3,905,747,613.10 - Step 4: Simplify right side
4,354,708,969.90x = 25,512,591,247,398,129,664 - Step 5: Solve for x
x = 25,512,591,247,398,129,664/4,354,708,969.90 - Step 6: Final answer
x = 5,858,621,419.65
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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.