Finding the Fourth Proportional to 3,193,938,965.92, 4,407,389,777.04 and 1,803,354,174.88
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Solution
The fourth proportional to 3,193,938,965.92, 4,407,389,777.04 and 1,803,354,174.88 is: 2,488,489,867.70
Step by Step Solution
- Step 1: Write the proportion equation
3,193,938,965.92 : 4,407,389,777.04 = 1,803,354,174.88 : x - Step 2: Convert to fraction form
3,193,938,965.92/4,407,389,777.04 = 1,803,354,174.88/x - Step 3: Cross multiply
3,193,938,965.92x = 4,407,389,777.04 × 1,803,354,174.88 - Step 4: Simplify right side
3,193,938,965.92x = 7,948,084,754,748,516,352 - Step 5: Solve for x
x = 7,948,084,754,748,516,352/3,193,938,965.92 - Step 6: Final answer
x = 2,488,489,867.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.