Finding the Fourth Proportional to 2,538,906,190.24, 3,806,620,678.32 and 1,292,924,788.96
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Solution
The fourth proportional to 2,538,906,190.24, 3,806,620,678.32 and 1,292,924,788.96 is: 1,938,501,806.84
Step by Step Solution
- Step 1: Write the proportion equation
2,538,906,190.24 : 3,806,620,678.32 = 1,292,924,788.96 : x - Step 2: Convert to fraction form
2,538,906,190.24/3,806,620,678.32 = 1,292,924,788.96/x - Step 3: Cross multiply
2,538,906,190.24x = 3,806,620,678.32 × 1,292,924,788.96 - Step 4: Simplify right side
2,538,906,190.24x = 4,921,674,237,167,657,984 - Step 5: Solve for x
x = 4,921,674,237,167,657,984/2,538,906,190.24 - Step 6: Final answer
x = 1,938,501,806.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.