Finding the Fourth Proportional to 693,999,037.91, 1,040,960,239.08 and 507,444,154.75
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Solution
The fourth proportional to 693,999,037.91, 1,040,960,239.08 and 507,444,154.75 is: 761,138,214.60
Step by Step Solution
- Step 1: Write the proportion equation
693,999,037.91 : 1,040,960,239.08 = 507,444,154.75 : x - Step 2: Convert to fraction form
693,999,037.91/1,040,960,239.08 = 507,444,154.75/x - Step 3: Cross multiply
693,999,037.91x = 1,040,960,239.08 × 507,444,154.75 - Step 4: Simplify right side
693,999,037.91x = 528,229,188,647,681,472 - Step 5: Solve for x
x = 528,229,188,647,681,472/693,999,037.91 - Step 6: Final answer
x = 761,138,214.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.