Finding the Fourth Proportional to 4,977,394,374.77, 6,868,806,992.65 and 2,688,526,572.56
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Solution
The fourth proportional to 4,977,394,374.77, 6,868,806,992.65 and 2,688,526,572.56 is: 3,710,168,158.50
Step by Step Solution
- Step 1: Write the proportion equation
4,977,394,374.77 : 6,868,806,992.65 = 2,688,526,572.56 : x - Step 2: Convert to fraction form
4,977,394,374.77/6,868,806,992.65 = 2,688,526,572.56/x - Step 3: Cross multiply
4,977,394,374.77x = 6,868,806,992.65 × 2,688,526,572.56 - Step 4: Simplify right side
4,977,394,374.77x = 18,466,970,121,553,391,616 - Step 5: Solve for x
x = 18,466,970,121,553,391,616/4,977,394,374.77 - Step 6: Final answer
x = 3,710,168,158.50
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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.