Finding the Fourth Proportional to 5,309,717,420.08, 7,327,410,757.12 and 2,930,855,806.36
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Solution
The fourth proportional to 5,309,717,420.08, 7,327,410,757.12 and 2,930,855,806.36 is: 4,044,581,408.77
Step by Step Solution
- Step 1: Write the proportion equation
5,309,717,420.08 : 7,327,410,757.12 = 2,930,855,806.36 : x - Step 2: Convert to fraction form
5,309,717,420.08/7,327,410,757.12 = 2,930,855,806.36/x - Step 3: Cross multiply
5,309,717,420.08x = 7,327,410,757.12 × 2,930,855,806.36 - Step 4: Simplify right side
5,309,717,420.08x = 21,475,584,363,089,874,944 - Step 5: Solve for x
x = 21,475,584,363,089,874,944/5,309,717,420.08 - Step 6: Final answer
x = 4,044,581,408.77
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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.