Finding the Fourth Proportional to 4,977,394,374.74, 6,868,806,992.61 and 2,688,526,572.53
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Solution
The fourth proportional to 4,977,394,374.74, 6,868,806,992.61 and 2,688,526,572.53 is: 3,710,168,158.45
Step by Step Solution
- Step 1: Write the proportion equation
4,977,394,374.74 : 6,868,806,992.61 = 2,688,526,572.53 : x - Step 2: Convert to fraction form
4,977,394,374.74/6,868,806,992.61 = 2,688,526,572.53/x - Step 3: Cross multiply
4,977,394,374.74x = 6,868,806,992.61 × 2,688,526,572.53 - Step 4: Simplify right side
4,977,394,374.74x = 18,466,970,121,222,848,512 - Step 5: Solve for x
x = 18,466,970,121,222,848,512/4,977,394,374.74 - Step 6: Final answer
x = 3,710,168,158.45
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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.