Finding the Fourth Proportional to 5,309,717,417.07, 7,327,410,752.99 and 2,930,855,803.35
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Solution
The fourth proportional to 5,309,717,417.07, 7,327,410,752.99 and 2,930,855,803.35 is: 4,044,581,404.63
Step by Step Solution
- Step 1: Write the proportion equation
5,309,717,417.07 : 7,327,410,752.99 = 2,930,855,803.35 : x - Step 2: Convert to fraction form
5,309,717,417.07/7,327,410,752.99 = 2,930,855,803.35/x - Step 3: Cross multiply
5,309,717,417.07x = 7,327,410,752.99 × 2,930,855,803.35 - Step 4: Simplify right side
5,309,717,417.07x = 21,475,584,328,915,279,872 - Step 5: Solve for x
x = 21,475,584,328,915,279,872/5,309,717,417.07 - Step 6: Final answer
x = 4,044,581,404.63
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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.