Finding the Fourth Proportional to 2,344,408,248.29, 3,235,374,365.49 and 1,287,180,780.53
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Solution
The fourth proportional to 2,344,408,248.29, 3,235,374,365.49 and 1,287,180,780.53 is: 1,776,359,430.62
Step by Step Solution
- Step 1: Write the proportion equation
2,344,408,248.29 : 3,235,374,365.49 = 1,287,180,780.53 : x - Step 2: Convert to fraction form
2,344,408,248.29/3,235,374,365.49 = 1,287,180,780.53/x - Step 3: Cross multiply
2,344,408,248.29x = 3,235,374,365.49 × 1,287,180,780.53 - Step 4: Simplify right side
2,344,408,248.29x = 4,164,511,701,061,995,008 - Step 5: Solve for x
x = 4,164,511,701,061,995,008/2,344,408,248.29 - Step 6: Final answer
x = 1,776,359,430.62
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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.