Finding the Fourth Proportional to 1,834,408,938.75, 2,751,407,348.07 and 506,625,739.05
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Solution
The fourth proportional to 1,834,408,938.75, 2,751,407,348.07 and 506,625,739.05 is: 759,881,699.06
Step by Step Solution
- Step 1: Write the proportion equation
1,834,408,938.75 : 2,751,407,348.07 = 506,625,739.05 : x - Step 2: Convert to fraction form
1,834,408,938.75/2,751,407,348.07 = 506,625,739.05/x - Step 3: Cross multiply
1,834,408,938.75x = 2,751,407,348.07 × 506,625,739.05 - Step 4: Simplify right side
1,834,408,938.75x = 1,393,933,781,143,564,544 - Step 5: Solve for x
x = 1,393,933,781,143,564,544/1,834,408,938.75 - Step 6: Final answer
x = 759,881,699.06
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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.